FPUS55 KTFX 212027 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 227 PM MDT Tue Apr 21 2026 Spot temperatures and probabilities of measurable precipitation are for tonight, Wednesday, Wednesday night, and Thursday. MTZ301-221000- East Glacier Park Region- Including the cities of East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 227 PM MDT Tue Apr 21 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM MDT THURSDAY... .TONIGHT...Mostly cloudy with slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain late in the evening. Partly cloudy after midnight. Lows in the lower 40s. South winds up to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY...Breezy. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain and slight chance of thunderstorms in the afternoon. Highs 48 to 58. West winds 5 to 15 mph with gusts to around 35 mph increasing to 10 to 25 mph with gusts to around 50 mph in the afternoon. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Breezy. Much colder. Snow and rain in the evening, then snow after midnight. Snow accumulation up to 11 inches. Snow level 5400 feet. Lows 21 to 27. Northwest winds 10 to 25 mph with gusts to around 45 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy, colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs 27 to 35. North winds 10 to 25 mph with gusts to around 45 mph. Chance of snow near 100 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows around 19. North winds 10 to 15 mph with gusts to around 35 mph. .FRIDAY THROUGH SATURDAY...Mostly cloudy with a 50 percent chance of snow. Highs 24 to 33. Lows 14 to 20. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Lows around 17. .SUNDAY...Partly sunny with a 50 percent chance of snow. Highs 27 to 35. .SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of snow. Lows around 19. .MONDAY...Not as cold. Mostly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 35 to 43. Chance of snow 40 percent. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of snow in the evening. Lows in the upper 20s. .TUESDAY...Not as cool. Mostly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 40 to 50. Chance of snow 40 percent. $$ MTZ307-221000- Southern Rocky Mountain Front- Including the city of Rogers Pass 227 PM MDT Tue Apr 21 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT FRIDAY... .TONIGHT...Mostly cloudy with slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain late in the evening. Partly cloudy after midnight. Lows 40 to 46. South winds 5 to 10 mph. Gusts up to 30 mph in the evening. Chance of precipitation 20 percent. .WEDNESDAY...Mostly sunny with chance of rain in the morning, then rain, snow and slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Highs 49 to 59. Southwest winds 5 to 15 mph with gusts to around 35 mph increasing to 15 to 20 mph with gusts to around 50 mph in the afternoon. Chance of precipitation near 100 percent. .WEDNESDAY NIGHT...Breezy, colder. Snow and rain in the evening, then snow after midnight. Snow accumulation up to 8 inches. Snow level 5600 feet. Lows 23 to 29. West winds 10 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 50 mph. Chance of precipitation near 100 percent. .THURSDAY...Colder, snow. Heavy snow accumulations. Near steady temperature in the upper 20s. Northwest winds 10 to 15 mph with gusts to around 50 mph. Chance of snow near 100 percent. .THURSDAY NIGHT...Colder. Mostly cloudy. Snow likely in the evening, then chance of snow after midnight. Light snow accumulations. Lows 15 to 21. North winds 5 to 15 mph. Gusts up to 45 mph decreasing to 35 mph after midnight. Chance of snow 70 percent. .FRIDAY...Snow likely in the morning, then snow in the afternoon. Light snow accumulations. Highs 23 to 33. Chance of snow 90 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 50 percent chance of snow. Lows 13 to 19. Highs 25 to 35. .SATURDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows 13 to 19. Chance of snow 40 percent. .SUNDAY...Partly sunny with a 50 percent chance of snow. Highs 27 to 37. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 16 to 22. .MONDAY...Not as cool. Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 35 to 45. Chance of snow 40 percent. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of snow in the evening. Lows 23 to 29. .TUESDAY...Not as cool. Mostly sunny. Slight chance of snow in the morning, then chance of snow and rain in the afternoon. Highs 41 to 51. Chance of precipitation 40 percent. $$ MTZ302-221000- Northern High Plains- Including the cities of Browning, Heart Butte, and Dupuyer 227 PM MDT Tue Apr 21 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM MDT THURSDAY... .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. Slight chance of thunderstorms early in the evening, then slight chance of rain late in the evening. Lows in the mid 40s. Southeast winds 5 to 10 mph shifting to the west after midnight. Chance of precipitation 20 percent. .WEDNESDAY...Windy. Mostly sunny. Slight chance of rain in the morning, then rain and slight chance of thunderstorms in the afternoon. Highs 59 to 65. Northwest winds 10 to 15 mph with gusts to around 35 mph increasing to 20 to 30 mph with gusts to around 50 mph in the afternoon. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Windy, colder. Rain and slight chance of snow in the evening, then snow likely and rain after midnight. Snow accumulation up to 3 inches. Lows in the upper 20s. Northwest winds 20 to 30 mph with gusts to around 50 mph. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Mostly cloudy. Snow in the morning, then chance of snow in the afternoon. Light snow accumulations. Highs in the upper 30s. Northwest winds 20 to 30 mph with gusts to around 50 mph. Chance of snow 90 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the lower 20s. Northwest winds 10 to 25 mph. Chance of snow 50 percent. .FRIDAY...Breezy. Mostly cloudy with a 50 percent chance of snow. Highs in the mid 30s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. .SATURDAY...Mostly cloudy. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs in the mid 30s. Chance of snow 50 percent. .SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows around 20. .SUNDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs in the upper 30s. Chance of snow 40 percent. .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .MONDAY...Mostly sunny with a 20 percent chance of snow. Highs in the upper 40s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 20s. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 50s. $$ MTZ308-221000- Southern High Plains- Including the cities of Bynum, Choteau, and Pendroy 227 PM MDT Tue Apr 21 2026 .TONIGHT...Mostly cloudy with slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain late in the evening. Partly cloudy after midnight. Lows in the mid 40s. East winds 5 to 10 mph shifting to the west after midnight. Chance of precipitation 20 percent. .WEDNESDAY...Windy, cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Southwest winds 5 to 15 mph with gusts to around 30 mph increasing to 15 to 30 mph with gusts to around 50 mph in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Windy, colder. Rain in the evening, then rain and snow after midnight. Snow accumulation up to 1 inch. Lows in the lower 30s. Northwest winds 15 to 30 mph with gusts to around 50 mph. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Snow. Light snow accumulations. Highs around 40. North winds 15 to 30 mph with gusts to around 50 mph. Chance of snow near 100 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows in the mid 20s. North winds 10 to 20 mph with gusts to around 40 mph. .FRIDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the upper 30s. .FRIDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the lower 20s. Chance of snow 40 percent. .SATURDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs in the upper 30s. Chance of snow 50 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Highs around 40. .MONDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs around 50. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. Lows around 30. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the upper 50s. $$ MTZ303-221000- Eastern Glacier, Western Toole, and Central Pondera- Including the cities of Cut Bank, Ethridge, and Santa Rita 227 PM MDT Tue Apr 21 2026 .TONIGHT...Partly cloudy early in the evening then becoming mostly cloudy. Lows in the mid 40s. East winds 5 to 15 mph. .WEDNESDAY...Windy. Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. West winds 5 to 15 mph with gusts to around 35 mph increasing to northwest 20 to 30 mph with gusts to around 50 mph in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and snow likely after midnight. Snow accumulation up to 1 inch. Lows in the upper 20s. Northwest winds 25 to 35 mph with gusts to around 55 mph. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Mostly cloudy with a 50 percent chance of snow. Highs around 40. Northwest winds 25 to 35 mph with gusts to around 50 mph. .THURSDAY NIGHT...Windy. Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. North winds 15 to 30 mph shifting to the northwest 15 to 20 mph after midnight. .FRIDAY...Windy. Mostly cloudy. Chance of snow in the morning, then slight chance of snow in the afternoon. Highs in the mid 30s. Chance of snow 40 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. Highs in the upper 30s. .SATURDAY NIGHT...Mostly cloudy. Lows around 20. .SUNDAY...Partly sunny with a 20 percent chance of snow. Highs in the upper 30s. .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .MONDAY AND MONDAY NIGHT...Warmer. Partly cloudy. Highs around 50. Lows in the upper 20s. .TUESDAY...Mostly sunny. Highs in the upper 50s. && TEMPERATURE / PRECIPITATION Cut Bank 42 67 28 41 / 10 70 90 50 $$ MTZ304-221000- Eastern Toole and Liberty- Including the cities of Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 227 PM MDT Tue Apr 21 2026 ...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy. A 20 percent chance of rain late in the evening. Lows in the upper 40s. East winds 5 to 15 mph with gusts to around 30 mph. .WEDNESDAY...Breezy. Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Southwest winds 5 to 10 mph with gusts to around 25 mph increasing to west 15 to 25 mph with gusts to around 45 mph in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Snow accumulation up to 2 inches. Lows in the upper 20s. Northwest winds 20 to 30 mph. Gusts up to 55 mph increasing to 65 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Mostly cloudy. Snow likely in the morning, then chance of snow in the afternoon. Moderate snow accumulations. Highs in the lower 40s. Northwest winds 20 to 30 mph. Gusts up to 65 mph decreasing to 55 mph in the afternoon. Chance of snow 70 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. Northwest winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 45 mph. .FRIDAY...Breezy. Mostly cloudy with a 50 percent chance of snow. Highs 33 to 39. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 40 percent chance of snow. Lows in the lower 20s. Highs 34 to 40. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance of snow. Lows around 20. Highs 37 to 43. .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 47 to 53. Lows in the upper 20s. .TUESDAY...Not as cool. Mostly sunny. Highs 55 to 61. $$ MTZ305-221000- Hill County- Including the city of Havre 227 PM MDT Tue Apr 21 2026 ...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy. A 20 percent chance of rain late in the evening. Lows around 50. East winds 5 to 15 mph. .WEDNESDAY...Breezy. Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. South winds 5 to 15 mph shifting to the southwest 10 to 25 mph in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Little or no snow accumulation. Lows in the lower 30s. Northwest winds 15 to 35 mph. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Mostly cloudy. Snow and rain likely in the morning, then chance of snow in the afternoon. Highs in the lower 40s. Northwest winds 25 to 35 mph with gusts to around 50 mph. Chance of precipitation 70 percent. .THURSDAY NIGHT...Windy. Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Northwest winds 10 to 30 mph. .FRIDAY...Windy. Mostly cloudy with a 50 percent chance of snow. Highs in the upper 30s. .FRIDAY NIGHT AND SATURDAY...Breezy. Mostly cloudy with a 40 percent chance of snow. Lows in the lower 20s. Highs in the upper 30s. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs in the lower 40s. .SUNDAY NIGHT AND MONDAY...Mostly cloudy. Lows in the lower 20s. Highs in the lower 50s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the upper 50s. && TEMPERATURE / PRECIPITATION Havre 49 78 32 44 / 10 30 90 60 $$ MTZ306-221000- Northern Blaine County- Including the cities of Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 227 PM MDT Tue Apr 21 2026 ...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON... .TONIGHT...Warmer. Partly cloudy early in the evening then becoming mostly cloudy. Lows in the lower 50s. East winds 5 to 15 mph with gusts to around 30 mph. .WEDNESDAY...Mostly cloudy in the morning, then mostly sunny with a 20 percent chance of rain in the afternoon. Highs in the upper 70s. Southeast winds 10 to 15 mph shifting to the southwest 15 to 20 mph in the afternoon. .WEDNESDAY NIGHT...Windy, colder. Rain likely in the evening, then rain and snow after midnight. No snow accumulation. Lows in the lower 30s. West winds 15 to 30 mph. Gusts up to 45 mph after midnight. Chance of precipitation 90 percent. .THURSDAY...Very windy. Much colder. Mostly cloudy. Snow and rain likely in the morning, then chance of snow in the afternoon. Snow level 2700 feet. Highs in the lower 40s. Northwest winds 25 to 40 mph with gusts to around 60 mph. Chance of precipitation 70 percent. .THURSDAY NIGHT...Windy. Mostly cloudy. Slight chance of snow in the evening, then chance of snow after midnight. Lows in the mid 20s. Northwest winds 20 to 35 mph with gusts to around 50 mph decreasing to 15 to 25 mph after midnight. Chance of snow 40 percent. .FRIDAY AND FRIDAY NIGHT...Windy. Mostly cloudy with a 50 percent chance of snow. Highs in the upper 30s. Lows in the lower 20s. .SATURDAY...Breezy. Mostly cloudy with a 40 percent chance of snow. Highs in the upper 30s. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance of snow. Lows around 20. Highs in the lower 40s. .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .MONDAY...Partly sunny. A 20 percent chance of snow in the afternoon. Highs in the upper 40s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the upper 50s. $$ MTZ309-221000- Eastern Pondera and Eastern Teton- Including the cities of Brady, Conrad, and Ledger 227 PM MDT Tue Apr 21 2026 .TONIGHT...Mostly cloudy. Lows in the mid 40s. East winds 5 to 15 mph shifting to the south after midnight. .WEDNESDAY...Windy. Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Southwest winds 5 to 10 mph with gusts to around 30 mph increasing to 15 to 30 mph in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Snow accumulation up to 1 inch. Lows in the upper 20s. Northwest winds 20 to 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Mostly cloudy. Snow likely in the morning, then chance of snow in the afternoon. Light snow accumulations. Highs in the lower 40s. Northwest winds 20 to 30 mph. Chance of snow 70 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Lows in the mid 20s. Northwest winds 10 to 20 mph. .FRIDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the upper 30s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. Highs around 40. .SATURDAY NIGHT...Mostly cloudy. Lows around 20. .SUNDAY...Partly sunny with a 20 percent chance of snow. Highs in the lower 40s. .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .MONDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the lower 50s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the upper 50s. $$ MTZ310-221000- Western and Central Chouteau County- Including the cities of Floweree, Carter, and Fort Benton 227 PM MDT Tue Apr 21 2026 ...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy. Lows 48 to 54. East winds 5 to 15 mph shifting to the southeast after midnight. .WEDNESDAY...Windy. Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. South winds 5 to 15 mph with gusts to around 30 mph increasing to southwest 15 to 30 mph in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Windy. Much colder. Rain in the evening, then rain and snow after midnight. Snow accumulation up to 1 inch. Lows around 30. West winds 15 to 30 mph with gusts to around 55 mph. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Mostly cloudy. Snow likely and rain in the morning, then chance of snow in the afternoon. Moderate snow accumulations. Highs in the lower 40s. Northwest winds 20 to 30 mph. Gusts up to 55 mph decreasing to 45 mph in the afternoon. Chance of precipitation 90 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 50 percent chance of snow. Lows in the mid 20s. Northwest winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. .FRIDAY THROUGH SATURDAY...Breezy. Mostly cloudy with a 50 percent chance of snow. Highs around 40. Lows in the mid 20s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Highs in the mid 40s. .MONDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the lower 50s. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. Lows around 30. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs around 60. $$ MTZ311-221000- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 227 PM MDT Tue Apr 21 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT WEDNESDAY NIGHT TO 6 PM MDT THURSDAY... ...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy. Lows in the mid 50s. East winds 5 to 15 mph with gusts to around 30 mph. .WEDNESDAY...Breezy. Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 72 to 78. South winds 5 to 15 mph shifting to the southwest 10 to 25 mph in the afternoon. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Windy. Much colder. Rain likely in the evening, then rain and snow after midnight. Snow accumulation up to 2 inches. Lows in the lower 30s. West winds 15 to 30 mph. Gusts up to 40 mph increasing to 55 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Mostly cloudy. Snow and rain likely in the morning, then chance of snow in the afternoon. Moderate snow accumulations. Highs 38 to 44. Northwest winds 20 to 35 mph with gusts to around 55 mph. Chance of precipitation 70 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Northwest winds 15 to 25 mph. Gusts up to 45 mph decreasing to 35 mph after midnight. .FRIDAY...Breezy. Mostly cloudy with a 50 percent chance of snow. Highs 34 to 40. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 40 percent chance of snow. Lows in the lower 20s. Highs 35 to 41. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs 39 to 45. .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 20s. .MONDAY...Partly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. Lows around 30. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the upper 50s. $$ MTZ312-221000- Cascade County below 5000ft- Including the city of Great Falls 227 PM MDT Tue Apr 21 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of thunderstorms early in the evening. Lows 47 to 53. East winds 5 to 15 mph shifting to the south 5 to 10 mph after midnight. .WEDNESDAY...Windy, cooler. Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. South winds 10 to 15 mph increasing to southwest 20 to 30 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Windy, colder. Rain in the evening, then rain and snow after midnight. Snow accumulation up to 2 inches. Lows around 30. West winds 15 to 30 mph with gusts to around 45 mph. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Snow and rain in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs around 40. Northwest winds 15 to 30 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows in the mid 20s. Northwest winds 5 to 15 mph with gusts to around 30 mph. .FRIDAY THROUGH SATURDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the upper 30s. Lows in the lower 20s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Highs in the lower 40s. .MONDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the lower 50s. .MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the upper 50s. && TEMPERATURE / PRECIPITATION Great Falls Arpt 50 70 30 41 / 20 60 100 80 $$ MTZ313-221000- Judith Basin County and Judith Gap- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 227 PM MDT Tue Apr 21 2026 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy. A 20 percent chance of thunderstorms early in the evening. Lows in the lower 50s. South winds 5 to 15 mph. .WEDNESDAY...Windy. Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Southwest winds 10 to 15 mph with gusts to around 45 mph increasing to 20 to 30 mph with gusts to around 55 mph in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Windy. Much colder. Rain in the evening, then rain and snow after midnight. Snow accumulation up to 3 inches. Lows in the upper 20s. West winds 20 to 35 mph. Gusts up to 45 mph increasing to 60 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Very windy. Much colder. Snow and rain in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs in the upper 30s. Northwest winds 25 to 40 mph. Gusts up to 60 mph in the morning. Chance of precipitation 90 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 50 percent chance of snow. Lows in the lower 20s. Northwest winds 15 to 25 mph. Gusts up to 45 mph decreasing to 35 mph after midnight. .FRIDAY...Windy. Snow likely. Light snow accumulations. Highs in the mid 30s. Chance of snow 70 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 50 percent chance of snow. Lows around 19. Highs in the upper 30s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows around 20. .SUNDAY...Partly sunny with a 40 percent chance of snow. Highs in the lower 40s. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. .MONDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow and rain in the afternoon. Highs in the upper 40s. Chance of precipitation 40 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain and snow in the evening, then mostly cloudy after midnight. Lows in the upper 20s. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 50s. $$ MTZ314-221000- Fergus County below 4500ft- Including the cities of Hilger and Lewistown 227 PM MDT Tue Apr 21 2026 ...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON... ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy. A 20 percent chance of thunderstorms early in the evening. Lows in the mid 50s. Southeast winds 5 to 15 mph. .WEDNESDAY...Breezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 72 to 78. Southwest winds 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Gusts up to 40 mph. .WEDNESDAY NIGHT...Windy. Much colder. Rain likely in the evening, then rain and slight chance of snow after midnight. Snow accumulation up to 1 inch. Lows in the lower 30s. West winds 15 to 30 mph. Gusts up to 45 mph increasing to 60 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much cooler. Mostly cloudy. Snow and rain likely in the morning, then chance of snow in the afternoon. Light snow accumulations. Snow level 3200 feet. Highs 39 to 45. Northwest winds 20 to 35 mph. Gusts up to 65 mph decreasing to 50 mph in the afternoon. Chance of precipitation 70 percent. .THURSDAY NIGHT...Windy. Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Northwest winds 15 to 30 mph decreasing to 10 to 20 mph after midnight. Gusts up to 45 mph. .FRIDAY...Windy. Partly sunny with a 50 percent chance of snow. Highs in the upper 30s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. .SATURDAY...Mostly cloudy. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs in the lower 40s. Chance of snow 50 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Highs in the lower 40s. .MONDAY...Partly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs around 50. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the upper 50s. && TEMPERATURE / PRECIPITATION Lewistown 52 70 28 38 / 20 40 90 80 $$ MTZ315-221000- Upper Blackfoot and MacDonald Pass- Including the cities of Marysville, Lincoln, Flesher Pass, and MacDonald Pass 227 PM MDT Tue Apr 21 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT FRIDAY... .TONIGHT...Mostly cloudy until early morning then clearing. Lows in the mid 40s. South winds up to 10 mph with gusts to around 30 mph. .WEDNESDAY...Breezy, cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain and slight chance of thunderstorms in the afternoon. Highs 52 to 60. South winds 5 to 15 mph increasing to southwest 15 to 25 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain and snow. Snow accumulation up to 7 inches. Snow level 5500 feet. Lows 26 to 32. West winds 15 to 25 mph with gusts to around 45 mph decreasing to 10 to 15 mph with gusts to around 35 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Colder, snow. Heavy snow accumulations. Near steady temperature in the lower 30s. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of snow near 100 percent. .THURSDAY NIGHT...Mostly cloudy. Snow likely in the evening, then chance of snow after midnight. Light snow accumulations. Lows in the lower 20s. North winds 5 to 15 mph with gusts to around 30 mph. Chance of snow 70 percent. .FRIDAY...Snow. Light snow accumulations. Highs 27 to 35. Chance of snow 90 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 50 percent chance of snow. Lows around 17. Highs 30 to 38. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows around 19. .SUNDAY...Partly sunny with a 50 percent chance of snow. Highs 32 to 40. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .MONDAY...Not as cool. Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 40 to 48. Chance of snow 50 percent. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of snow in the evening. Lows in the upper 20s. .TUESDAY...Mostly sunny. Slight chance of snow in the morning, then chance of rain and snow in the afternoon. Highs 46 to 54. Chance of precipitation 40 percent. $$ MTZ316-221000- Gates of the Mountains- Including the cities of Canyon Creek, Wolf Creek, and Craig 227 PM MDT Tue Apr 21 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT FRIDAY... .TONIGHT...Mostly cloudy with a 20 percent chance of thunderstorms early in the evening, then mostly cloudy in the late evening and overnight. Lows in the upper 40s. South winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY...Windy, cooler. Sunny in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 66. South winds 10 to 15 mph increasing to southwest 15 to 30 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain in the evening, then rain and snow after midnight. Snow accumulation up to 4 inches. Lows in the lower 30s. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 40 mph. Chance of precipitation near 100 percent. .THURSDAY...Much colder. Snow. Moderate snow accumulations. Near steady temperature in the mid 30s. North winds 10 to 20 mph with gusts to around 40 mph. Chance of snow near 100 percent. .THURSDAY NIGHT...Mostly cloudy. Snow likely in the evening, then chance of snow after midnight. Light snow accumulations. Lows in the mid 20s. North winds 5 to 15 mph with gusts to around 30 mph. Chance of snow 70 percent. .FRIDAY...Snow likely. Light snow accumulations. Highs 32 to 38. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the lower 20s. Chance of snow 40 percent. .SATURDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 36 to 42. Chance of snow 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. .SUNDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 37 to 43. Chance of snow 40 percent. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the mid 20s. .MONDAY...Not as cool. Partly sunny. Chance of snow and slight chance of rain in the afternoon. Highs 46 to 52. Chance of precipitation 40 percent. .MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. .TUESDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs 52 to 58. $$ MTZ317-221000- Little Belt and Highwood Mountains- Including the cities of Monarch, Neihart, and Kings Hill Pass 227 PM MDT Tue Apr 21 2026 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy. A 20 percent chance of thunderstorms early in the evening. Lows 46 to 52. South winds 5 to 15 mph with gusts to around 30 mph. .WEDNESDAY...Windy. Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 63. South winds 15 to 20 mph shifting to the southwest 15 to 30 mph in the afternoon. Gusts up to 60 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Breezy. Much colder. Rain and snow. Snow may be heavy at times after midnight. Snow accumulation up to 8 inches. Snow level 6000 feet. Lows 24 to 30. West winds 15 to 25 mph. Gusts up to 50 mph increasing to 60 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Much colder. Snow. Snow may be heavy at times in the morning. Heavy snow accumulations. Near steady temperature in the upper 20s. Northwest winds 10 to 25 mph. Gusts up to 60 mph decreasing to 45 mph in the afternoon. Chance of snow near 100 percent. .THURSDAY NIGHT...Colder. Snow likely. Light snow accumulations. Lows 17 to 23. Northwest winds 5 to 15 mph. Gusts up to 45 mph decreasing to 35 mph after midnight. Chance of snow 70 percent. .FRIDAY...Snow in the morning, then snow likely in the afternoon. Light snow accumulations. Highs 25 to 33. Chance of snow 90 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 50 percent chance of snow. Lows 13 to 19. Highs 29 to 35. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Lows around 18. .SUNDAY...Partly sunny with a 50 percent chance of snow. Highs 32 to 38. .SUNDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the lower 20s. Chance of snow 40 percent. .MONDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 39 to 45. Chance of snow 50 percent. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of snow in the evening. Lows 25 to 31. .TUESDAY...Not as cool. Mostly sunny. Slight chance of snow in the morning, then chance of snow and rain in the afternoon. Highs 45 to 53. Chance of precipitation 40 percent. $$ MTZ318-221000- Snowy and Judith Mountains- 227 PM MDT Tue Apr 21 2026 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. Slight chance of thunderstorms early in the evening, then slight chance of rain in the late evening and early morning. Lows in the lower 50s. South winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 20 percent. .WEDNESDAY...Breezy. Mostly sunny. A 40 percent chance of rain in the afternoon. Highs 61 to 69. Southwest winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Gusts up to 50 mph. .WEDNESDAY NIGHT...Windy. Much colder. Rain likely in the evening, then rain and snow after midnight. Snow accumulation up to 5 inches. Lows in the upper 20s. West winds 15 to 30 mph with gusts to around 50 mph increasing to 25 to 35 mph with gusts to around 65 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Very windy. Much colder. Mostly cloudy. Snow in the morning, then chance of snow in the afternoon. Moderate snow accumulations. Near steady temperature in the lower 30s. Northwest winds 25 to 45 mph with gusts to around 70 mph decreasing to 20 to 30 mph with gusts to around 60 mph in the afternoon. Chance of snow 90 percent. .THURSDAY NIGHT...Windy. Mostly cloudy with a 50 percent chance of snow. Lows in the lower 20s. Northwest winds 15 to 30 mph with gusts to around 50 mph. .FRIDAY...Windy. Mostly cloudy with a 50 percent chance of snow. Highs 28 to 34. .FRIDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows around 18. Chance of snow 40 percent. .SATURDAY...Mostly cloudy with a 50 percent chance of snow. Highs 31 to 37. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows around 20. .SUNDAY...Mostly cloudy with a 50 percent chance of snow. Highs 33 to 39. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. .MONDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 40 to 46. Chance of snow 40 percent. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of snow in the evening, then partly cloudy after midnight. Lows in the upper 20s. .TUESDAY...Not as cool. Mostly sunny. Chance of snow and slight chance of rain in the afternoon. Highs 48 to 54. Chance of precipitation 30 percent. $$ MTZ319-221000- Helena Valley- Including the city of Helena 227 PM MDT Tue Apr 21 2026 .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. Lows in the upper 40s. South winds 5 to 15 mph. .WEDNESDAY...Windy, cooler. Mostly sunny in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph increasing to southwest 15 to 30 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain in the evening, then rain and slight chance of snow after midnight. No snow accumulation. Lows in the lower 30s. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Much colder. Snow and rain in the morning, then snow in the afternoon. Light snow accumulations. Highs in the lower 40s. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly cloudy. Snow likely in the evening, then chance of snow after midnight. Lows in the mid 20s. North winds 5 to 15 mph. Chance of snow 70 percent. .FRIDAY...Snow likely. Highs around 40. Chance of snow 70 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 20 percent chance of snow. Lows around 20. Highs in the mid 40s. .SATURDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .SUNDAY...Partly sunny with a 20 percent chance of snow. Highs in the mid 40s. .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 20s. .MONDAY...Partly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 50s. .MONDAY NIGHT...Partly cloudy. Lows around 30. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs around 60. && TEMPERATURE / PRECIPITATION Helena 47 66 34 43 / 10 80 100 100 $$ MTZ320-221000- Big Belt, Bridger and Castle Mountains- Including the cities of Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 227 PM MDT Tue Apr 21 2026 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. Lows in the upper 40s. South winds 5 to 15 mph with gusts to around 40 mph. .WEDNESDAY...Windy, cooler. Sunny in the morning, then partly sunny with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 52 to 60. Southwest winds 15 to 30 mph with gusts to around 70 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain and snow. Snow accumulation up to 12 inches. Snow level 6000 feet. Lows 27 to 33. West winds 15 to 25 mph with gusts to around 65 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy, colder, snow. Heavy snow accumulations. Near steady temperature in the lower 30s. Northwest winds 10 to 25 mph. Gusts up to 65 mph decreasing to 50 mph in the afternoon. Chance of snow near 100 percent. .THURSDAY NIGHT...Snow likely. Moderate snow accumulations. Lows in the lower 20s. North winds 5 to 20 mph. Gusts up to 50 mph decreasing to 40 mph after midnight. Chance of snow 70 percent. .FRIDAY...Snow in the morning, then snow likely in the afternoon. Light snow accumulations. Highs 26 to 36. Chance of snow 80 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 50 percent chance of snow. Lows around 18. Highs 30 to 40. .SATURDAY NIGHT...Mostly cloudy. Slight chance of snow in the evening, then chance of snow after midnight. Lows in the lower 20s. Chance of snow 40 percent. .SUNDAY...Partly sunny with a 50 percent chance of snow. Highs 32 to 42. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. .MONDAY...Not as cool. Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 40 to 48. Chance of snow 40 percent. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of snow in the evening. Lows in the upper 20s. .TUESDAY...Mostly sunny. A 40 percent chance of rain and snow in the afternoon. Highs 46 to 54. $$ MTZ321-221000- Meagher County Valleys- Including the cities of Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 227 PM MDT Tue Apr 21 2026 .TONIGHT...Mostly cloudy. Lows in the upper 40s. South winds 5 to 15 mph. Gusts up to 35 mph in the evening. .WEDNESDAY...Windy, cooler. Sunny in the morning, then partly sunny with a 50 percent chance of rain in the afternoon. Highs in the lower 60s. South winds 15 to 25 mph increasing to southwest 25 to 35 mph in the afternoon. Gusts up to 70 mph. .WEDNESDAY NIGHT...Windy, colder. Rain and slight chance of snow in the evening, then snow and rain after midnight. Snow accumulation up to 3 inches. Lows around 30. West winds 15 to 30 mph with gusts to around 50 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Much colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs in the upper 30s. Northwest winds 15 to 25 mph with gusts to around 50 mph. Chance of snow near 100 percent. .THURSDAY NIGHT...Snow likely. Light snow accumulations. Lows in the lower 20s. Northwest winds 15 to 20 mph with gusts to around 40 mph decreasing to 5 to 15 mph with gusts to around 30 mph after midnight. Chance of snow 70 percent. .FRIDAY...Snow likely. Light snow accumulations. Highs in the mid 30s. Chance of snow 70 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 50 percent chance of snow. Lows around 18. Highs in the upper 30s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. .SUNDAY...Partly sunny with a 50 percent chance of snow. Highs in the lower 40s. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. .MONDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs in the upper 40s. Chance of snow 40 percent. .MONDAY NIGHT...Partly cloudy. Lows in the upper 20s. .TUESDAY...Mostly sunny. Chance of snow and slight chance of rain in the afternoon. Highs in the mid 50s. Chance of precipitation 30 percent. $$ MTZ322-221000- Elkhorn and Boulder Mountains- Including the cities of Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 227 PM MDT Tue Apr 21 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT FRIDAY... .TONIGHT...Mostly cloudy until early morning then clearing. Lows 41 to 47. South winds 5 to 15 mph. Gusts up to 40 mph decreasing to 30 mph after midnight. .WEDNESDAY...Breezy, cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain, snow and slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Highs 48 to 58. Southwest winds 10 to 25 mph with gusts to around 60 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Breezy, colder. Snow and rain. Snow accumulation up to 6 inches. Snow level 5700 feet. Lows 27 to 33. West winds 10 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 45 mph. Chance of precipitation near 100 percent. .THURSDAY...Colder, snow. Heavy snow accumulations. Near steady temperature in the lower 30s. Northwest winds 10 to 15 mph with gusts to around 45 mph. Chance of snow near 100 percent. .THURSDAY NIGHT...Colder. Snow likely. Moderate snow accumulations. Lows 18 to 24. North winds 5 to 15 mph with gusts to around 40 mph. Chance of snow 70 percent. .FRIDAY...Snow in the morning, then snow likely in the afternoon. Light snow accumulations. Highs 26 to 34. Chance of snow 90 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 50 percent chance of snow. Lows 14 to 20. Highs 31 to 39. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 17 to 23. .SUNDAY...Partly sunny with a 50 percent chance of snow. Highs 34 to 42. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows 20 to 26. .MONDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 40 to 48. Chance of snow 40 percent. .MONDAY NIGHT...Partly cloudy. Lows 25 to 31. .TUESDAY...Not as cool. Mostly sunny. Chance of snow and slight chance of rain in the afternoon. Highs 45 to 55. Chance of precipitation 30 percent. $$ MTZ323-221000- Canyon Ferry Area- Including the cities of Toston, Townsend, and Winston 227 PM MDT Tue Apr 21 2026 .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. Lows in the upper 40s. South winds 5 to 15 mph. Gusts up to 35 mph in the evening. .WEDNESDAY...Windy, cooler. Sunny in the morning, then partly sunny with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. South winds 15 to 30 mph shifting to the southwest 25 to 35 mph in the afternoon. Gusts up to 60 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain in the evening, then rain and snow after midnight. Snow accumulation up to 1 inch. Lows in the mid 30s. West winds 15 to 25 mph with gusts to around 40 mph. Chance of precipitation near 100 percent. .THURSDAY...Much colder. Snow and rain in the morning, then snow in the afternoon. Light snow accumulations. Snow level 4000 feet. Near steady temperature around 40. Northwest winds 15 to 20 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly cloudy. Snow likely in the evening, then chance of snow after midnight. Lows in the upper 20s. North winds 5 to 20 mph. Gusts up to 35 mph in the evening. Chance of snow 70 percent. .FRIDAY...Snow likely. Highs around 40. Chance of snow 70 percent. .FRIDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 23 to 29. Highs in the mid 40s. .MONDAY...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the lower 50s. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the upper 50s. $$ MTZ324-221000- Missouri Headwaters- Including the cities of Harrison, Three Forks, Willow Creek, Pony, and Whitehall 227 PM MDT Tue Apr 21 2026 .TONIGHT...Mostly cloudy until early morning then clearing. Lows in the mid 40s. South winds up to 15 mph. Gusts up to 30 mph increasing to 40 mph after midnight. .WEDNESDAY...Windy, cooler. Mostly sunny. Slight chance of rain in the morning, then rain likely and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. South winds 15 to 30 mph shifting to the southwest 25 to 35 mph in the afternoon. Gusts up to 60 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain in the evening, then rain and snow after midnight. Little or no snow accumulation. Lows in the mid 30s. West winds 10 to 25 mph with gusts to around 40 mph. Chance of precipitation near 100 percent. .THURSDAY...Colder. Snow and rain in the morning, then snow showers and slight chance of thunderstorms in the afternoon. Light snow accumulations. Highs in the mid 40s. Northwest winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 90 percent. .THURSDAY NIGHT...Snow likely. Moderate snow accumulations. Lows in the mid 20s. North winds 5 to 15 mph with gusts to around 30 mph. Chance of snow 70 percent. .FRIDAY...Mostly cloudy. Snow likely in the morning, then chance of snow in the afternoon. Light snow accumulations. Highs in the upper 30s. Chance of snow 70 percent. .FRIDAY NIGHT THROUGH SUNDAY...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. Highs in the mid 40s. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the upper 20s. .MONDAY...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the lower 50s. .MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the upper 50s. $$ MTZ325-221000- Madison River Valley- Including the cities of Cameron, Ennis, Jeffers, McAllister, and Norris 227 PM MDT Tue Apr 21 2026 ...HIGH WIND WARNING IN EFFECT FROM 3 AM TO 6 PM MDT WEDNESDAY... .TONIGHT...Windy. Mostly cloudy in the evening, then a 20 percent chance of rain after midnight. Partly cloudy late in the night. Lows in the mid 40s. South winds 10 to 15 mph with gusts to around 30 mph increasing to 20 to 30 mph with gusts to around 60 mph after midnight. .WEDNESDAY...Strong winds. Cooler. Partly sunny. Slight chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 53 to 59. South winds 30 to 50 mph. Gusts up to 75 mph decreasing to 65 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain and slight chance of snow in the evening, then snow and rain after midnight. Snow accumulation up to 1 inch. Lows in the lower 30s. Southwest winds 15 to 25 mph with gusts to around 40 mph decreasing to 10 to 15 mph with gusts to around 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Colder. Snow in the morning, then snow showers and slight chance of thunderstorms in the afternoon. Light snow accumulations. Highs in the mid 40s. West winds 10 to 20 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Colder. Snow in the evening, then snow likely after midnight. Moderate snow accumulations. Lows in the lower 20s. North winds 10 to 20 mph. Chance of snow 80 percent. .FRIDAY...Snow in the morning, then snow likely in the afternoon. Light snow accumulations. Highs in the upper 30s. Chance of snow 90 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows around 18. Chance of snow 40 percent. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs in the lower 40s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. .SUNDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs in the mid 40s. Chance of snow 40 percent. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. .MONDAY...Partly sunny. Slight chance of snow in the morning, then chance of rain and snow in the afternoon. Highs around 50. Chance of precipitation 40 percent. .MONDAY NIGHT...Mostly cloudy. Lows around 30. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 50s. $$ MTZ326-221000- Gallatin Valley- Including the cities of Bozeman and Gallatin Gateway 227 PM MDT Tue Apr 21 2026 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING... .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. A 20 percent chance of rain in the late evening and early morning. Lows in the mid 40s. South winds 5 to 15 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Windy, cooler. Sunny in the morning, then partly sunny with rain likely and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. South winds 10 to 15 mph increasing to southwest 20 to 35 mph in the afternoon. Gusts up to 55 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain in the evening, then rain and snow after midnight. Snow accumulation up to 1 inch. Lows in the lower 30s. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Colder. Snow and rain in the morning, then snow showers likely and slight chance of thunderstorms in the afternoon. Light snow accumulations. Snow level 4500 feet. Highs in the mid 40s. Northwest winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 90 percent. .THURSDAY NIGHT...Snow likely. Moderate snow accumulations. Lows in the mid 20s. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of snow 70 percent. .FRIDAY...Snow likely. Light snow accumulations. Highs in the upper 30s. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows around 19. Chance of snow 40 percent. .SATURDAY...Partly sunny with a 20 percent chance of snow. Highs in the lower 40s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. .SUNDAY...Partly sunny with a 40 percent chance of snow. Highs in the mid 40s. .SUNDAY NIGHT AND MONDAY...Mostly cloudy. A 20 percent chance of rain and snow. Lows in the mid 20s. Highs in the lower 50s. .MONDAY NIGHT...Partly cloudy. Lows around 30. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the upper 50s. && TEMPERATURE / PRECIPITATION Bozeman Airport 43 62 33 45 / 20 60 100 90 Bozeman MSU 47 61 32 43 / 20 60 100 90 $$ MTZ330-221000- Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 227 PM MDT Tue Apr 21 2026 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON... .TONIGHT...Mostly cloudy early in the evening, then a 20 percent chance of rain in the late evening and early morning. Partly cloudy late in the night. Lows 32 to 42. South winds 10 to 15 mph. Gusts up to 45 mph increasing to 55 mph after midnight. .WEDNESDAY...Windy, cooler. Mostly sunny with chance of snow and slight chance of rain in the morning, then mostly cloudy with snow with possible showers and thunderstorms in the afternoon. Snow accumulation up to 4 inches. Snow level 7300 feet. Highs 38 to 50. South winds 15 to 30 mph with gusts to around 65 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Breezy, colder. Snow and rain in the evening, then snow after midnight. Snow accumulation up to 11 inches. Lows 25 to 31. Southwest winds 10 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 40 mph. Chance of precipitation near 100 percent. .THURSDAY...Snow in the morning, then snow showers and slight chance of thunderstorms in the afternoon. Snow may be heavy at times in the afternoon. Heavy snow accumulations. Highs 30 to 40. West winds 10 to 15 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Colder. Snow in the evening, then snow likely after midnight. Snow may be heavy at times in the evening. Heavy snow accumulations. Lows 15 to 21. North winds 5 to 15 mph with gusts to around 35 mph. Chance of snow 90 percent. .FRIDAY...Snow. Moderate snow accumulations. Highs 23 to 33. Chance of snow 90 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 50 percent chance of snow. Lows 11 to 17. Highs 29 to 39. .SATURDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows 15 to 21. Chance of snow 40 percent. .SUNDAY THROUGH MONDAY...Mostly cloudy with a 50 percent chance of snow. Highs 32 to 46. Lows 19 to 25. .MONDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows 22 to 28. .TUESDAY...Mostly sunny. Slight chance of snow in the morning, then chance of snow and rain in the afternoon. Highs 40 to 50. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 32 47 28 42 / 20 90 100 100 $$ MTZ327-221000- Northwest Beaverhead County- Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 227 PM MDT Tue Apr 21 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT FRIDAY... .TONIGHT...Mostly cloudy early in the evening then becoming partly cloudy. Lows in the upper 30s. South winds 5 to 15 mph. Gusts up to 35 mph increasing to 45 mph after midnight. .WEDNESDAY...Breezy, cooler. Partly sunny with chance of snow and rain in the morning, then snow, rain and slight chance of thunderstorms in the afternoon. Snow accumulation up to 7 inches. Snow level 7000 feet. Highs 40 to 50. South winds 10 to 15 mph shifting to the southwest 15 to 25 mph in the afternoon. Gusts up to 60 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Snow. Snow accumulation up to 10 inches. Lows in the upper 20s. West winds 10 to 20 mph with gusts to around 45 mph. Chance of snow near 100 percent. .THURSDAY...Snow in the morning, then snow showers and slight chance of thunderstorms in the afternoon. Moderate snow accumulations. Highs 30 to 40. West winds 10 to 20 mph with gusts to around 40 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Snow in the evening, then snow likely after midnight. Moderate snow accumulations. Lows around 19. Northwest winds 5 to 15 mph. Gusts up to 40 mph decreasing to 30 mph after midnight. Chance of snow 90 percent. .FRIDAY...Snow. Moderate snow accumulations. Highs 25 to 35. Chance of snow 90 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 50 percent chance of snow. Lows around 14. Highs 30 to 40. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows around 18. .SUNDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 33 to 43. Chance of snow 50 percent. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. .MONDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 37 to 47. Chance of snow 50 percent. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of snow in the evening. Lows in the mid 20s. .TUESDAY...Mostly sunny. Slight chance of snow in the morning, then chance of snow and slight chance of rain in the afternoon. Highs 42 to 52. Chance of precipitation 40 percent. $$ MTZ328-221000- Beaverhead and Western Madison below 6000ft- Including the cities of Bannack, Dillon, Glen, and Waterloo 227 PM MDT Tue Apr 21 2026 .TONIGHT...Mostly cloudy in the evening then clearing. Lows in the lower 40s. South winds 5 to 20 mph with gusts to around 45 mph. .WEDNESDAY...Windy, cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain likely and slight chance of thunderstorms in the afternoon. Highs 51 to 57. Southwest winds 15 to 35 mph with gusts to around 55 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy. Rain and snow. Snow accumulation up to 4 inches. Snow level 5800 feet. Lows in the mid 30s. West winds 15 to 25 mph shifting to the southwest 10 to 15 mph after midnight. Gusts up to 40 mph. Chance of precipitation near 100 percent. .THURSDAY...Snow likely in the morning, then snow showers and slight chance of thunderstorms in the afternoon. Moderate snow accumulations. Highs 42 to 48. West winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 90 percent. .THURSDAY NIGHT...Colder. Snow in the evening, then snow likely after midnight. Heavy snow accumulations. Lows in the mid 20s. North winds 15 to 20 mph decreasing to 5 to 15 mph after midnight. Gusts up to 35 mph. Chance of snow 90 percent. .FRIDAY...Snow likely. Light snow accumulations. Highs 34 to 40. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows around 19. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. A 20 percent chance of snow. Highs 38 to 44. Lows in the lower 20s. .SUNDAY AND SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of snow. Highs 42 to 48. Lows in the upper 20s. .MONDAY...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs 47 to 53. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s. .TUESDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs 53 to 59. && TEMPERATURE / PRECIPITATION Dillon 43 57 34 48 / 10 80 90 80 $$ MTZ329-221000- Ruby Mountains and Southern Beaverhead Mountains- Including the city of Monida Pass 227 PM MDT Tue Apr 21 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO NOON MDT FRIDAY... .TONIGHT...Breezy. Partly cloudy. A 20 percent chance of rain late in the night. Lows 34 to 40. South winds 15 to 25 mph with gusts to around 55 mph. .WEDNESDAY...Windy, cooler. Mostly cloudy. Chance of snow and rain in the morning, then snow with possible showers and thunderstorms in the afternoon. Snow accumulation up to 3 inches. Snow level 7000 feet. Highs 41 to 49. South winds 20 to 35 mph with gusts to around 60 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Breezy, snow. Snow accumulation up to 4 inches. Lows in the upper 20s. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 40 mph. Chance of snow near 100 percent. .THURSDAY...Breezy. Snow likely in the morning, then snow showers and slight chance of thunderstorms in the afternoon. Moderate snow accumulations. Highs 35 to 43. West winds 10 to 25 mph with gusts to around 40 mph. Chance of precipitation 90 percent. .THURSDAY NIGHT...Breezy. Snow in the evening, then snow likely after midnight. Heavy snow accumulations. Lows around 20. Northwest winds 15 to 25 mph with gusts to around 45 mph shifting to the north 10 to 15 mph with gusts to around 35 mph after midnight. Chance of snow 80 percent. .FRIDAY...Snow likely. Light snow accumulations. Highs 27 to 33. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows around 16. Chance of snow 50 percent. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 32 to 38. Chance of snow 50 percent. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of snow. Lows around 20. .SUNDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 35 to 43. Chance of snow 50 percent. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the mid 20s. .MONDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 39 to 47. Chance of snow 50 percent. .MONDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .TUESDAY...Mostly sunny. A 20 percent chance of snow in the afternoon. Highs 44 to 52. $$