FPUS55 KTFX 200633 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 1232 AM MDT Mon Apr 20 2026 Spot temperatures and probabilities of measurable precipitation are for .TONIGHT THROUGH TODAY..., Tuesday, Tuesday night, and Wednesday. MTZ301-211000- East Glacier Park Region- Including the cities of East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 52 to 64. Lows 35 to 45. Southwest winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY...Warmer. Mostly sunny. Highs 60 to 70. Southwest winds 5 to 10 mph with gusts to around 25 mph. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows 37 to 43. West winds up to 10 mph. .WEDNESDAY...Cooler. Partly sunny with chance of rain showers in the morning, then rain showers, slight chance of thunderstorms and snow showers in the afternoon. Moderate snow accumulations. Highs 44 to 54. North winds 5 to 15 mph increasing to 15 to 20 mph with gusts to around 40 mph in the afternoon. Chance of precipitation near 100 percent. .WEDNESDAY NIGHT...Windy, colder. Snow showers and rain showers in the evening, then snow after midnight. Snow may be heavy at times in the evening. Heavy snow accumulations. Lows in the mid 20s. North winds 15 to 30 mph. Gusts up to 45 mph increasing to 55 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Breezy, colder. Snow likely. Light snow accumulations. Highs 28 to 36. Chance of snow 70 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 50 percent chance of snow. Lows in the lower 20s. Highs 27 to 35. .FRIDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows around 20. Highs 30 to 40. .MONDAY...Mostly sunny with a 20 percent chance of snow. Highs 38 to 46. $$ MTZ307-211000- Southern Rocky Mountain Front- Including the city of Rogers Pass 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 56 to 66. Lows 35 to 44. Southwest winds up to 15 mph with gusts to around 30 mph. .TUESDAY...Warmer. Mostly sunny. Highs 62 to 72. Southwest winds up to 10 mph with gusts to around 25 mph. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows 39 to 45. West winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY...Partly sunny with chance of rain showers in the morning, then rain showers, slight chance of thunderstorms and snow showers in the afternoon. Highs 49 to 59. Northwest winds 5 to 10 mph with gusts to around 25 mph shifting to the west 10 to 20 mph with gusts to around 40 mph in the afternoon. Chance of precipitation near 100 percent. .WEDNESDAY NIGHT...Colder. Snow, rain showers and slight chance of thunderstorms in the evening, then snow after midnight. Heavy snow accumulations. Lows 23 to 29. Northwest winds 10 to 20 mph with gusts to around 55 mph. Chance of precipitation near 100 percent. .THURSDAY...Colder, snow. Moderate snow accumulations. Highs 28 to 36. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Snow likely. Light snow accumulations. Lows 17 to 23. Highs 26 to 36. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 15 to 21. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 28 to 38. Chance of snow 30 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 17 to 23. .SUNDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 32 to 40. Chance of snow 40 percent. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows 19 to 25. .MONDAY...Not as cool. Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 37 to 47. Chance of snow 30 percent. $$ MTZ302-211000- Northern High Plains- Including the cities of Browning, Heart Butte, and Dupuyer 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the upper 60s. Lows 37 to 45. Southwest winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs in the mid 70s. Southwest winds 5 to 15 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s. South winds 5 to 10 mph shifting to the west after midnight. .WEDNESDAY...Windy, cooler. Mostly cloudy. Slight chance of rain showers in the morning, then rain showers in the afternoon. Highs 55 to 61. Northwest winds 5 to 15 mph with gusts to around 30 mph increasing to north 15 to 30 mph with gusts to around 45 mph in the afternoon. Chance of showers 90 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers and snow in the evening, then snow likely after midnight. Light snow accumulations. Snow level 4400 feet. Lows in the upper 20s. Northwest winds 20 to 35 mph with gusts to around 55 mph. Chance of precipitation near 100 percent. .THURSDAY...Windy, colder. 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. .THURSDAY NIGHT AND FRIDAY...Breezy. Mostly cloudy. A 50 percent chance of snow. Lows in the mid 20s. Highs in the upper 30s. .FRIDAY NIGHT...Mostly cloudy. Lows around 20. .SATURDAY...Mostly sunny. A 20 percent chance of snow in the afternoon. Highs in the lower 40s. .SATURDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .SUNDAY...Partly sunny. A 20 percent chance of snow in the afternoon. Highs in the lower 40s. .SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s. .MONDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the upper 40s. $$ MTZ308-211000- Southern High Plains- Including the cities of Bynum, Choteau, and Pendroy 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the lower 70s. Lows 40 to 46. Southwest winds up to 15 mph. .TUESDAY...Mostly sunny. Highs in the upper 70s. Southwest winds up to 10 mph shifting to the south in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s. South winds 5 to 10 mph shifting to the west after midnight. .WEDNESDAY...Breezy, cooler. Mostly sunny with slight chance of rain showers in the morning, then cloudy with rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Northwest winds 5 to 10 mph with gusts to around 25 mph increasing to 15 to 25 mph with gusts to around 40 mph in the afternoon. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers, slight chance of thunderstorms and snow in the evening, then snow and rain after midnight. Light snow accumulations. Lows around 30. Northwest winds 15 to 30 mph. Gusts up to 50 mph increasing to 60 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Snow likely. Light snow accumulations. Highs around 40. Chance of snow 70 percent. .THURSDAY NIGHT AND FRIDAY...Breezy. Mostly cloudy. A 50 percent chance of snow. Lows in the mid 20s. Highs around 40. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs in the lower 40s. .SATURDAY NIGHT...Mostly cloudy. Lows in the mid 20s. .SUNDAY...Partly sunny with a 20 percent chance of snow. Highs in the mid 40s. .SUNDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .MONDAY...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the lower 50s. $$ MTZ303-211000- Eastern Glacier, Western Toole, and Central Pondera- Including the cities of Cut Bank, Ethridge, and Santa Rita 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the lower 70s. Lows 36 to 43. West winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs in the upper 70s. Southwest winds up to 15 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Southeast winds 5 to 15 mph shifting to the north 5 to 10 mph after midnight. .WEDNESDAY...Windy, cooler. Partly sunny. Slight chance of rain showers in the morning, then rain showers likely in the afternoon. Highs in the lower 60s. Northwest winds 10 to 15 mph with gusts to around 30 mph increasing to north 15 to 30 mph with gusts to around 45 mph in the afternoon. Chance of showers 70 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers and slight chance of snow showers in the evening, then snow likely after midnight. Light snow accumulations. Lows in the upper 20s. Northwest winds 25 to 35 mph with gusts to around 55 mph. Chance of precipitation 90 percent. .THURSDAY...Windy. Much colder. Mostly cloudy with a 50 percent chance of snow. Highs in the lower 40s. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. .FRIDAY...Windy. Partly sunny. Chance of snow in the morning, then slight chance of snow in the afternoon. Highs in the upper 30s. Chance of snow 40 percent. .FRIDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .SATURDAY...Mostly sunny. Highs in the lower 40s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows in the lower 20s. Highs in the mid 40s. .MONDAY...Mostly sunny. Highs in the lower 50s. && TEMPERATURE / PRECIPITATION Cut Bank 38 78 43 61 / 0 0 0 60 $$ MTZ304-211000- Eastern Toole and Liberty- Including the cities of Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the lower 70s. Lows 35 to 46. West winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Sunny. Highs in the upper 70s. West winds up to 5 mph shifting to the south in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s. East winds 5 to 15 mph. .WEDNESDAY...Breezy. Partly sunny. A 50 percent chance of rain showers in the afternoon. Highs 64 to 70. North winds 5 to 10 mph with gusts to around 25 mph increasing to northwest 15 to 25 mph with gusts to around 40 mph in the afternoon. .WEDNESDAY NIGHT...Windy, colder. Rain showers and slight chance of snow in the evening, then snow and rain likely after midnight. Light snow accumulations. Lows in the upper 20s. Northwest winds 20 to 30 mph with gusts to around 60 mph. Chance of precipitation 90 percent. .THURSDAY...Windy. Much colder. Mostly cloudy. Snow likely in the morning, then chance of snow in the afternoon. Light snow accumulations. Highs in the lower 40s. Chance of snow 70 percent. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of snow. Lows in the mid 20s. .FRIDAY...Breezy. Partly sunny with a 40 percent chance of snow. Highs 36 to 42. .FRIDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .SATURDAY...Mostly sunny. Highs in the lower 40s. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows in the lower 20s. Highs 43 to 49. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 20s. Highs in the lower 50s. $$ MTZ305-211000- Hill County- Including the city of Havre 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Mostly clear. Highs in the lower 70s. Lows 37 to 43. Southwest winds up to 15 mph. .TUESDAY...Sunny. Highs around 80. Southwest winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. East winds 5 to 15 mph. .WEDNESDAY...Partly sunny. A 50 percent chance of rain showers in the afternoon. Highs in the lower 70s. East winds 5 to 10 mph shifting to the northwest 10 to 20 mph in the afternoon. .WEDNESDAY NIGHT...Windy, colder. Rain showers in the evening, then rain likely and slight chance of snow after midnight. Lows in the lower 30s. Northwest winds 20 to 30 mph with gusts to around 45 mph. Chance of precipitation 90 percent. .THURSDAY...Windy. Much colder. Mostly cloudy. Snow likely in the morning, then chance of snow and rain in the afternoon. Light snow accumulations. Highs in the lower 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy. Chance of snow and rain in the evening, then chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 40 percent. .FRIDAY...Windy. Partly sunny with a 40 percent chance of snow. Highs around 40. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs in the lower 40s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows in the mid 20s. Highs in the mid 40s. .MONDAY...Mostly sunny. Highs in the lower 50s. && TEMPERATURE / PRECIPITATION Havre 40 84 48 74 / 0 0 10 30 $$ MTZ306-211000- Northern Blaine County- Including the cities of Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs around 70. Lows 36 to 43. South winds 5 to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly sunny. Highs in the upper 70s. Southwest winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain after midnight. Lows in the upper 40s. East winds 5 to 15 mph. .WEDNESDAY...Partly sunny. A 40 percent chance of rain showers in the afternoon. Highs in the mid 70s. East winds 5 to 15 mph shifting to the west 10 to 20 mph in the afternoon. .WEDNESDAY NIGHT...Windy, colder. Rain showers likely in the evening, then rain and slight chance of snow after midnight. Lows in the lower 30s. Northwest winds 20 to 30 mph. Gusts up to 45 mph after midnight. Chance of precipitation 90 percent. .THURSDAY...Very windy. Much colder. Mostly cloudy. Snow and rain likely in the morning, then chance of snow and rain in the afternoon. Light snow accumulations. Highs in the lower 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Windy. Mostly cloudy. Chance of snow and rain in the evening, then chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 40 percent. .FRIDAY...Windy. Partly sunny with a 50 percent chance of snow. Highs in the upper 30s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs in the lower 40s. .SATURDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s. .MONDAY...Mostly sunny. Highs around 50. $$ MTZ309-211000- Eastern Pondera and Eastern Teton- Including the cities of Brady, Conrad, and Ledger 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the mid 70s. Lows 36 to 42. Southwest winds up to 10 mph. .TUESDAY...Mostly sunny. Highs around 80. South winds up to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Southeast winds 5 to 10 mph shifting to the northeast after midnight. .WEDNESDAY...Breezy, cooler. Mostly sunny in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Northwest winds 5 to 10 mph increasing to 15 to 25 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers, slight chance of thunderstorms and snow in the evening, then snow after midnight. Light snow accumulations. Lows in the upper 20s. Northwest winds 20 to 30 mph with gusts to around 45 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. Chance of snow 70 percent. .THURSDAY NIGHT AND FRIDAY...Breezy. Mostly cloudy. A 40 percent chance of snow. Lows in the mid 20s. Highs in the lower 40s. .FRIDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .SATURDAY...Mostly sunny. Highs in the mid 40s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows in the mid 20s. Highs in the upper 40s. .MONDAY...Mostly sunny. Highs in the lower 50s. $$ MTZ310-211000- Western and Central Chouteau County- Including the cities of Floweree, Carter, and Fort Benton 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the mid 70s. Lows 36 to 45. Southwest winds up to 10 mph. .TUESDAY...Mostly sunny. Highs in the lower 80s. Southwest winds up to 5 mph shifting to the southeast in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. Southeast winds 5 to 15 mph. .WEDNESDAY...Partly sunny. Rain showers likely in the afternoon. Highs in the lower 70s. Southwest winds 5 to 10 mph shifting to the west 10 to 20 mph in the afternoon. Chance of showers 70 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Light snow accumulations. Lows in the lower 30s. Northwest winds 15 to 30 mph. Gusts up to 45 mph increasing to 55 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Snow likely in the morning, then snow and rain likely in the afternoon. Moderate snow accumulations. Highs in the lower 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow and rain in the evening, then chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 50 percent. .FRIDAY...Breezy. Partly sunny with a 50 percent chance of snow. Highs around 40. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs in the mid 40s. .SATURDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .SUNDAY...Partly sunny. A 20 percent chance of snow in the afternoon. Highs in the upper 40s. .SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s. .MONDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the lower 50s. $$ MTZ311-211000- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the lower 70s. Lows 41 to 48. South winds up to 10 mph. .TUESDAY...Warmer. Mostly sunny. Highs 76 to 82. Southwest winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. Southeast winds 5 to 15 mph. .WEDNESDAY...Partly sunny. A 50 percent chance of rain showers in the afternoon. Highs 71 to 77. South winds 5 to 10 mph shifting to the west 10 to 15 mph with gusts to around 30 mph in the afternoon. .WEDNESDAY NIGHT...Windy, colder. Rain showers in the evening, then rain and snow after midnight. Light snow accumulations. Lows in the lower 30s. Northwest winds 15 to 30 mph. Gusts up to 40 mph increasing to 55 mph after midnight. Chance of precipitation 90 percent. .THURSDAY...Windy. Much colder. Snow and rain likely in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs in the lower 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 40 percent chance of snow. Lows in the mid 20s. .FRIDAY...Breezy. Partly sunny with a 50 percent chance of snow. Highs in the upper 30s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs in the lower 40s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s. .SUNDAY...Partly sunny. A 20 percent chance of snow in the afternoon. Highs in the mid 40s. .SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s. .MONDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the upper 40s. $$ MTZ312-211000- Cascade County below 5000ft- Including the city of Great Falls 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the mid 70s. Lows 39 to 47. Southwest winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly sunny. Highs around 80. South winds up to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows 45 to 51. South winds 5 to 15 mph. .WEDNESDAY...Breezy, cooler. Mostly sunny in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 70. Southwest winds 5 to 10 mph increasing to west 15 to 25 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers, slight chance of thunderstorms and snow in the evening, then snow and rain after midnight. Moderate snow accumulations. Lows around 30. Northwest winds 15 to 30 mph with gusts to around 50 mph. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs around 40. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 50 percent chance of snow. Lows in the mid 20s. Highs around 40. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs in the lower 40s. .SATURDAY NIGHT...Mostly cloudy. Lows in the mid 20s. .SUNDAY...Partly sunny with a 20 percent chance of snow. Highs in the mid 40s. .SUNDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .MONDAY...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the lower 50s. && TEMPERATURE / PRECIPITATION Great Falls Arpt 41 80 47 70 / 0 0 10 70 $$ MTZ313-211000- Judith Basin County and Judith Gap- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the lower 70s. Lows 39 to 47. Southwest winds up to 15 mph. .TUESDAY...Mostly sunny. Highs in the upper 70s. South winds 5 to 10 mph. Gusts up to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows around 50. South winds 5 to 15 mph. .WEDNESDAY...Breezy. Mostly sunny in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. South winds 10 to 15 mph shifting to the southwest 15 to 25 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Windy. Much colder. Rain showers, slight chance of thunderstorms and snow in the evening, then rain and snow after midnight. Moderate snow accumulations. Lows in the upper 20s. Northwest 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 in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs in the upper 30s. Chance of snow 90 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 50 percent chance of snow. Lows in the lower 20s. .FRIDAY...Windy. Snow likely. Highs in the mid 30s. Chance of snow 70 percent. .FRIDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 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 in the upper 40s. Chance of precipitation 20 percent. $$ MTZ314-211000- Fergus County below 4500ft- Including the cities of Hilger and Lewistown 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the lower 70s. Lows 40 to 48. South winds up to 10 mph. .TUESDAY...Mostly sunny. Highs in the lower 80s. Southwest winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. Southeast winds 5 to 15 mph. .WEDNESDAY...Partly sunny. A 50 percent chance of rain showers in the afternoon. Highs 72 to 78. Southwest winds 5 to 10 mph shifting to the west 10 to 20 mph in the afternoon. .WEDNESDAY NIGHT...Windy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Light snow accumulations. Lows in the lower 30s. West winds 15 to 25 mph with gusts to around 45 mph shifting to the northwest 20 to 35 mph with gusts to around 60 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Very windy. Much colder. Snow and rain likely in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs 37 to 43. Chance of precipitation 70 percent. .THURSDAY NIGHT AND FRIDAY...Windy. Mostly cloudy. A 50 percent chance of snow. Lows in the mid 20s. Highs in the upper 30s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .SATURDAY...Mostly sunny. A 20 percent chance of snow in the afternoon. Highs in the lower 40s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s. .SUNDAY...Partly sunny. A 20 percent chance of snow in the afternoon. Highs in the mid 40s. .SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s. .MONDAY...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs 46 to 52. && TEMPERATURE / PRECIPITATION Lewistown 42 79 49 72 / 0 10 10 60 $$ MTZ315-211000- Upper Blackfoot and MacDonald Pass- Including the cities of Marysville, Lincoln, Flesher Pass, and MacDonald Pass 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 62 to 70. Lows 39 to 46. Southwest winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly sunny. Highs 67 to 75. South winds up to 10 mph. Gusts up to 30 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. South winds up to 10 mph with gusts to around 30 mph. .WEDNESDAY...Partly sunny with chance of rain showers in the morning, then cloudy with rain showers and slight chance of thunderstorms in the afternoon. Highs 54 to 62. South winds up to 10 mph increasing to southwest 10 to 20 mph in the afternoon. Gusts up to 35 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Colder. Rain showers, snow and slight chance of thunderstorms in the evening, then snow and rain after midnight. Heavy snow accumulations. Snow level 5800 feet. Lows 26 to 32. Northwest winds 10 to 20 mph with gusts to around 40 mph. Chance of precipitation near 100 percent. .THURSDAY...Colder, snow. Moderate snow accumulations. Near steady temperature in the lower 30s. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Snow likely. Light snow accumulations. Lows in the lower 20s. Highs 29 to 37. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows around 20. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 32 to 40. .SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .SUNDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 34 to 42. 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. Mostly sunny. Slight chance of snow in the morning, then chance of snow and slight chance of rain in the afternoon. Highs 41 to 49. Chance of precipitation 30 percent. $$ MTZ316-211000- Gates of the Mountains- Including the cities of Canyon Creek, Wolf Creek, and Craig 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 68 to 74. Lows 41 to 47. South winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly sunny. Highs 74 to 80. South winds up to 15 mph. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. South winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY...Cooler. Mostly sunny with slight chance of rain showers in the morning, then cloudy with rain showers and slight chance of thunderstorms in the afternoon. Highs 61 to 67. South winds up to 10 mph increasing to southwest 10 to 20 mph with gusts to around 35 mph in the afternoon. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Colder. Rain showers, slight chance of thunderstorms and snow in the evening, then snow and rain after midnight. Moderate snow accumulations. Lows in the lower 30s. Northwest winds 10 to 20 mph with gusts to around 45 mph. Chance of precipitation near 100 percent. .THURSDAY...Much colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs 35 to 41. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with snow likely. Light snow accumulations. Lows in the mid 20s. Highs 35 to 41. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 38 to 44. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the mid 20s. Highs 40 to 46. .SUNDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .MONDAY...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs 46 to 52. $$ MTZ317-211000- Little Belt and Highwood Mountains- Including the cities of Monarch, Neihart, and Kings Hill Pass 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 61 to 69. Lows 38 to 47. South winds up to 15 mph. .TUESDAY...Mostly sunny. Highs 67 to 75. Southwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 46 to 52. South winds 5 to 15 mph. Gusts up to 35 mph in the evening. .WEDNESDAY...Breezy. Mostly sunny with slight chance of rain showers in the morning, then mostly cloudy with rain showers and slight chance of thunderstorms in the afternoon. Highs 58 to 66. South winds 5 to 15 mph with gusts to around 30 mph shifting to the southwest 10 to 25 mph with gusts to around 40 mph in the afternoon. Chance of precipitation 80 percent. .WEDNESDAY NIGHT...Windy. Much colder. Rain showers, snow and slight chance of thunderstorms in the evening, then snow after midnight. Snow may be heavy at times after midnight. Heavy snow accumulations. Snow level 5800 feet. Lows 23 to 29. Northwest 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 colder. Snow in the morning, then snow likely in the afternoon. Snow may be heavy at times in the morning. Heavy snow accumulations. Highs 28 to 34. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Snow likely. Light snow accumulations. Lows 17 to 23. Highs 26 to 34. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows 14 to 20. Chance of snow 40 percent. .SATURDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 31 to 37. Chance of snow 30 percent. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of snow. Lows 16 to 22. .SUNDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 34 to 40. Chance of snow 40 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 39 to 45. Chance of snow 40 percent. $$ MTZ318-211000- Snowy and Judith Mountains- 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 64 to 70. Lows 39 to 48. Southwest winds 5 to 15 mph. .TUESDAY...Mostly sunny. Highs 70 to 76. Southwest winds 5 to 10 mph with gusts to around 25 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows around 50. South winds 5 to 15 mph with gusts to around 30 mph. .WEDNESDAY...Breezy. Partly sunny. Slight chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 63 to 71. Southwest winds 5 to 15 mph with gusts to around 30 mph increasing to 15 to 25 mph with gusts to around 40 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Very windy. Much colder. Rain showers, slight chance of thunderstorms and snow in the evening, then snow and rain after midnight. Heavy snow accumulations. Lows in the upper 20s. West winds 15 to 25 mph with gusts to around 50 mph increasing to northwest 25 to 40 mph with gusts to around 65 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Very windy. Much colder. Snow in the morning, then snow likely in the afternoon. Heavy snow accumulations. Near steady temperature around 30. Chance of snow 80 percent. .THURSDAY NIGHT...Windy. Mostly cloudy with a 50 percent chance of snow. Lows in the lower 20s. .FRIDAY...Windy. Mostly cloudy. Chance of snow in the morning, then snow likely in the afternoon. Light snow accumulations. Highs 28 to 34. Chance of snow 70 percent. .FRIDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. Highs 32 to 41. .MONDAY...Partly sunny with a 20 percent chance of snow. Highs 39 to 45. $$ MTZ319-211000- Helena Valley- Including the city of Helena 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the mid 70s. Lows 39 to 44. South winds up to 10 mph. .TUESDAY...Mostly sunny. Highs around 80. Southeast winds up to 10 mph. Gusts up to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. South winds up to 15 mph. .WEDNESDAY...Cooler. Mostly sunny with slight chance of rain showers in the morning, then mostly cloudy with rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. South winds up to 10 mph increasing to southwest 10 to 20 mph in the afternoon. Chance of precipitation 80 percent. .WEDNESDAY NIGHT...Colder. Rain showers and slight chance of thunderstorms in the evening, then rain and slight chance of snow after midnight. Lows in the lower 30s. Northwest winds 10 to 20 mph. Chance of precipitation near 100 percent. .THURSDAY...Much colder. Snow and rain in the morning, then snow likely in the afternoon. Light snow accumulations. Highs in the lower 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 50 percent chance of snow. Lows in the mid 20s. Highs in the lower 40s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs in the mid 40s. .SATURDAY NIGHT...Mostly cloudy. Lows in the mid 20s. .SUNDAY...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the upper 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. && TEMPERATURE / PRECIPITATION Helena 42 81 46 67 / 0 0 0 80 $$ MTZ320-211000- Big Belt, Bridger and Castle Mountains- Including the cities of Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 61 to 69. Lows 38 to 46. South winds up to 15 mph with gusts to around 35 mph. .TUESDAY...Mostly sunny. Highs 66 to 74. South winds up to 10 mph with gusts to around 30 mph increasing to 10 to 15 mph with gusts to around 40 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 40s. South winds 5 to 15 mph with gusts to around 40 mph. .WEDNESDAY...Windy. Mostly sunny with slight chance of rain showers in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs 55 to 63. South winds 10 to 15 mph with gusts to around 45 mph increasing to southwest 15 to 30 mph with gusts to around 55 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy. Much colder. Rain showers, snow and slight chance of thunderstorms in the evening, then snow and rain after midnight. Heavy snow accumulations. Snow level 6000 feet. Lows 26 to 32. West winds 15 to 25 mph with gusts to around 65 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Much colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Near steady temperature in the lower 30s. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Breezy. Snow likely. Light snow accumulations. Lows 19 to 25. Highs 28 to 38. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows around 20. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 31 to 41. .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 34 to 44. Chance of snow 30 percent. .SUNDAY NIGHT AND MONDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the mid 20s. Highs 40 to 48. $$ MTZ321-211000- Meagher County Valleys- Including the cities of Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the upper 60s. Lows 36 to 42. South winds up to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs in the mid 70s. South winds up to 10 mph shifting to the southwest with gusts to around 35 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 40s. South winds 5 to 15 mph. Gusts up to 35 mph in the evening. .WEDNESDAY...Windy. 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 with gusts to around 35 mph increasing to southwest 15 to 30 mph with gusts to around 50 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Windy, colder. Rain showers, slight chance of thunderstorms and snow in the evening, then snow and rain after midnight. Moderate snow accumulations. Lows in the upper 20s. West winds 15 to 30 mph. Gusts up to 50 mph increasing to 60 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Windy. Much colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs in the mid 30s. Chance of snow 90 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 50 percent chance of snow. Lows in the lower 20s. .FRIDAY...Breezy. Mostly cloudy. Snow likely in the morning, then chance of snow in the afternoon. Highs in the mid 30s. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows around 20. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs around 40. .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. A 20 percent chance of rain and snow in the afternoon. Highs in the upper 40s. $$ MTZ322-211000- Elkhorn and Boulder Mountains- Including the cities of Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 61 to 71. Lows 37 to 46. Southwest winds up to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs 64 to 74. South winds up to 10 mph increasing to 10 to 15 mph with gusts to around 40 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 41 to 47. South winds 5 to 15 mph. Gusts up to 40 mph decreasing to 30 mph after midnight. .WEDNESDAY...Breezy. Mostly sunny with chance of rain showers in the morning, then mostly cloudy with rain showers, slight chance of thunderstorms and snow showers in the afternoon. Highs 52 to 62. South winds 5 to 15 mph shifting to the southwest 10 to 25 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Colder. Rain showers, snow and slight chance of thunderstorms in the evening, then snow and rain after midnight. Heavy snow accumulations. Snow level 6000 feet. Lows 26 to 32. Northwest winds 10 to 20 mph with gusts to around 55 mph. Chance of precipitation near 100 percent. .THURSDAY...Colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Near steady temperature in the lower 30s. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with snow likely. Light snow accumulations. Lows 19 to 25. Highs 29 to 37. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows 16 to 22. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 32 to 40. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance of snow. Lows 19 to 25. Highs 35 to 43. .SUNDAY NIGHT...Mostly cloudy. Lows 22 to 28. .MONDAY...Partly sunny. A 20 percent chance of snow in the afternoon. Highs 41 to 49. $$ MTZ323-211000- Canyon Ferry Area- Including the cities of Toston, Townsend, and Winston 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the mid 70s. Lows 40 to 47. Southeast winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly sunny. Highs in the upper 70s. Southeast winds up to 10 mph shifting to the south with gusts to around 30 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 40s. South winds 15 to 20 mph with gusts to around 40 mph shifting to the southeast 5 to 15 mph after midnight. .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 upper 60s. South winds 5 to 15 mph with gusts to around 30 mph increasing to southwest 15 to 30 mph with gusts to around 45 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and slight chance of snow after midnight. Lows in the mid 30s. West winds 15 to 25 mph with gusts to around 40 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Much colder. Snow and rain in the morning, then snow likely in the afternoon. Light snow accumulations. Highs in the lower 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 50 percent chance of snow. Lows in the upper 20s. Highs in the lower 40s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the mid 20s. .SATURDAY...Mostly sunny. A 20 percent chance of snow in the afternoon. Highs in the mid 40s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s. .SUNDAY...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. .SUNDAY NIGHT...Mostly cloudy. Lows around 30. .MONDAY...Partly sunny. A 20 percent chance of rain in the afternoon. Highs in the lower 50s. $$ MTZ324-211000- Missouri Headwaters- Including the cities of Harrison, Three Forks, Willow Creek, Pony, and Whitehall 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the mid 70s. Lows 38 to 45. Southwest winds up to 15 mph. .TUESDAY...Mostly sunny. Highs in the upper 70s. South winds up to 5 mph increasing to 10 to 15 mph with gusts to around 35 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. South winds 10 to 15 mph with gusts to around 35 mph decreasing to up to 10 mph with gusts to around 25 mph after midnight. .WEDNESDAY...Windy, cooler. Mostly sunny with slight chance of rain showers 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 5 to 15 mph with gusts to around 35 mph increasing to 20 to 30 mph with gusts to around 45 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and slight chance of snow after midnight. Lows in the mid 30s. West winds 10 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 likely in the afternoon. Light snow accumulations. Highs in the lower 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 50 percent chance of snow. Lows in the mid 20s. Highs in the lower 40s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .SATURDAY...Mostly sunny. Highs in the mid 40s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 20s. .SUNDAY...Partly sunny. A 20 percent chance of snow in the afternoon. Highs in the upper 40s. .SUNDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .MONDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the lower 50s. $$ MTZ325-211000- Madison River Valley- Including the cities of Cameron, Ennis, Jeffers, McAllister, and Norris 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the lower 70s. Lows 38 to 46. South winds 5 to 20 mph. .TUESDAY...Windy. Mostly sunny. Highs in the lower 70s. South winds 5 to 15 mph increasing to 15 to 30 mph in the afternoon. .TUESDAY NIGHT...Breezy. Partly cloudy. Lows in the mid 40s. South winds 10 to 25 mph decreasing to 10 to 15 mph after midnight. .WEDNESDAY...Windy, cooler. Partly sunny. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 56 to 62. South winds 15 to 25 mph increasing to 25 to 35 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain showers in the evening, then rain and snow after midnight. Light snow accumulations. Lows in the lower 30s. Southwest winds 15 to 25 mph with gusts to around 40 mph shifting to the west 10 to 15 mph with gusts to around 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Colder. Snow and rain in the morning, then snow likely in the afternoon. Light snow accumulations. Highs in the lower 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 50 percent chance of snow. Lows in the lower 20s. Highs around 40. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs in the lower 40s. .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...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the lower 50s. $$ MTZ326-211000- Gallatin Valley- Including the cities of Bozeman and Gallatin Gateway 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs in the lower 70s. Lows 36 to 45. Southeast winds up to 10 mph. .TUESDAY...Mostly sunny. Highs in the mid 70s. Southeast winds up to 5 mph shifting to the southwest 5 to 15 mph with gusts to around 30 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 40s. South winds 5 to 15 mph. Gusts up to 30 mph in the evening. .WEDNESDAY...Windy, cooler. Mostly sunny with slight chance of rain showers in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. South winds 5 to 15 mph with gusts to around 30 mph increasing to southwest 15 to 30 mph with gusts to around 45 mph in the afternoon. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Colder. Rain showers in the evening, then rain and slight chance of snow after midnight. Light snow accumulations. Lows in the lower 30s. West winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY...Much colder. Mostly cloudy. Snow and rain in the morning, then chance of snow in the afternoon. Light snow accumulations. Highs in the lower 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 50 percent chance of snow. Lows in the mid 20s. Highs in the lower 40s. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs in the mid 40s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Highs in the upper 40s. .MONDAY...Partly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the lower 50s. && TEMPERATURE / PRECIPITATION Bozeman Airport 37 78 44 65 / 0 0 10 60 Bozeman MSU 41 76 47 64 / 0 0 10 60 $$ MTZ330-211000- Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 53 to 65. Lows 31 to 43. South winds 5 to 15 mph with gusts to around 35 mph. .TUESDAY...Breezy. Mostly sunny. Highs 55 to 67. South winds 5 to 15 mph with gusts to around 30 mph increasing to 15 to 25 mph with gusts to around 45 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain after midnight. Lows 35 to 43. South winds 10 to 20 mph. Gusts up to 45 mph decreasing to 35 mph after midnight. .WEDNESDAY...Windy. Mostly cloudy. Chance of rain showers and snow showers in the morning, then snow showers with possible showers and thunderstorms likely in the afternoon. Moderate snow accumulations. Snow level 7600 feet. Highs 41 to 53. South winds 15 to 20 mph increasing to 15 to 30 mph in the afternoon. Gusts up to 55 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Breezy, colder. Snow showers in the evening, then snow after midnight. Snow may be heavy at times after midnight. Heavy snow accumulations. Lows 25 to 31. Southwest winds 10 to 25 mph with gusts to around 45 mph shifting to the west 10 to 15 mph with gusts to around 35 mph after midnight. Chance of snow near 100 percent. .THURSDAY...Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Near steady temperature around 30. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Snow likely. Light snow accumulations. Lows 16 to 22. Highs 27 to 37. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of snow. Lows 14 to 20. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 30 to 40. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of snow. Lows 16 to 22. .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. A 20 percent chance of snow in the evening. Lows 19 to 25. .MONDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 36 to 46. Chance of snow 40 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 26 67 32 49 / 0 0 20 80 $$ MTZ327-211000- Northwest Beaverhead County- Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 57 to 67. Lows 33 to 41. South winds up to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs 59 to 69. South winds up to 10 mph with gusts to around 30 mph increasing to 10 to 20 mph with gusts to around 45 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain after midnight. Lows in the upper 30s. South winds 5 to 15 mph. Gusts up to 40 mph decreasing to 30 mph after midnight. .WEDNESDAY...Cooler. Rain showers and snow showers likely in the morning, then snow showers, rain showers and slight chance of thunderstorms in the afternoon. Moderate snow accumulations. Snow level 7500 feet. Highs 43 to 53. Southeast winds 5 to 15 mph shifting to the southwest 15 to 20 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation near 100 percent. .WEDNESDAY NIGHT...Snow showers and rain showers in the evening, then snow after midnight. Heavy snow accumulations. Lows in the upper 20s. West winds 10 to 20 mph with gusts to around 45 mph. Chance of precipitation near 100 percent. .THURSDAY...Snow. Moderate snow accumulations. Near steady temperature in the lower 30s. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Snow likely. Light snow accumulations. Lows around 20. Highs 30 to 40. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow in the evening, then partly cloudy after midnight. Lows around 19. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 32 to 42. .SATURDAY NIGHT...Mostly cloudy with 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 45. Chance of snow 40 percent. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s. .MONDAY...Mostly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 38 to 48. Chance of snow 30 percent. $$ MTZ328-211000- Beaverhead and Western Madison below 6000ft- Including the cities of Bannack, Dillon, Glen, and Waterloo 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Partly cloudy. Highs 68 to 74. Lows 36 to 43. South winds up to 15 mph with gusts to around 35 mph. .TUESDAY...Breezy. Mostly sunny. Highs 69 to 75. South winds up to 10 mph increasing to 15 to 25 mph with gusts to around 45 mph in the afternoon. .TUESDAY NIGHT...Breezy. Partly cloudy. Lows in the mid 40s. South winds 15 to 25 mph with gusts to around 45 mph decreasing to 5 to 15 mph after midnight. .WEDNESDAY...Windy, cooler. Partly sunny. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Light snow accumulations. Highs 54 to 60. South winds 10 to 15 mph increasing to 20 to 30 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain showers and slight chance of snow in the evening, then rain and snow after midnight. Heavy snow accumulations. Lows in the mid 30s. West winds 15 to 25 mph decreasing to 10 to 15 mph after midnight. Gusts up to 40 mph. Chance of precipitation 90 percent. .THURSDAY...Cooler. Snow and rain likely in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs 40 to 46. Chance of precipitation 70 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 50 percent chance of snow. Lows in the mid 20s. Highs 38 to 44. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow in the evening, then partly cloudy after midnight. Lows in the lower 20s. .SATURDAY...Mostly sunny. Highs 41 to 47. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 20s. .SUNDAY...Mostly sunny. A 20 percent chance of snow in the afternoon. Highs 44 to 50. .SUNDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .MONDAY...Mostly sunny. A 20 percent chance of snow in the afternoon. Highs 48 to 54. && TEMPERATURE / PRECIPITATION Dillon 38 74 43 60 / 0 0 0 70 $$ MTZ329-211000- Ruby Mountains and Southern Beaverhead Mountains- Including the city of Monida Pass 1232 AM MDT Mon Apr 20 2026 .REST OF TONIGHT...Breezy. Partly cloudy. Highs 58 to 66. Lows 34 to 42. South winds 5 to 25 mph with gusts to around 40 mph. .TUESDAY...Windy. Mostly sunny. Highs 59 to 67. South winds 5 to 15 mph with gusts to around 40 mph increasing to 20 to 30 mph with gusts to around 55 mph in the afternoon. .TUESDAY NIGHT...Windy. Partly cloudy. A 20 percent chance of rain after midnight. Lows 37 to 43. South winds 15 to 30 mph shifting to the southeast 10 to 20 mph after midnight. Gusts up to 50 mph. .WEDNESDAY...Windy, cooler. Partly sunny with chance of rain showers and snow showers in the morning, then cloudy with snow showers, rain showers and slight chance of thunderstorms in the afternoon. Moderate snow accumulations. Snow level 7400 feet. Highs 43 to 51. South winds 15 to 25 mph increasing to 20 to 35 mph in the afternoon. Gusts up to 50 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Breezy, colder. Snow showers in the evening, then snow after midnight. Moderate snow accumulations. Lows around 30. West winds 10 to 25 mph with gusts to around 40 mph. Chance of snow 90 percent. .THURSDAY...Breezy. Snow in the morning, then snow likely in the afternoon. Light snow accumulations. Highs 34 to 40. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Breezy. Mostly cloudy. A 50 percent chance of snow. Lows in the lower 20s. Highs 31 to 39. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow in the evening, then partly cloudy after midnight. Lows around 20. .SATURDAY THROUGH SUNDAY...Partly cloudy with a 20 percent chance of snow. Highs 34 to 44. Lows in the lower 20s. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the mid 20s. .MONDAY...Mostly sunny. A 20 percent chance of snow in the afternoon. Highs 40 to 48. $$