FPUS55 KTFX 180633 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 1232 AM MDT Sat Apr 18 2026 Spot temperatures and probabilities of measurable precipitation are for .TONIGHT THROUGH TODAY..., Sunday, Sunday night, and Monday. MTZ301-191000- East Glacier Park Region- Including the cities of East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Mostly clear. Highs 37 to 47. Lows 20 to 31. Southwest winds 5 to 20 mph with gusts to around 35 mph. .SUNDAY...Not as cool. Sunny. Highs 46 to 56. Southwest winds 5 to 15 mph with gusts to around 30 mph. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 34 to 40. Southwest winds 5 to 15 mph with gusts to around 30 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 54 to 64. Lows 37 to 43. Southwest winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs 59 to 69. .TUESDAY NIGHT...Partly cloudy with slight chance of rain in the evening, then mostly cloudy with chance of rain after midnight. Lows 38 to 44. Chance of rain 40 percent. .WEDNESDAY...Cooler. Mostly cloudy. Chance of rain in the morning, then rain showers, snow showers and slight chance of thunderstorms in the afternoon. Moderate snow accumulations. Highs 44 to 54. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Breezy, colder. Snow and rain in the evening, then snow after midnight. Heavy snow accumulations. Lows 24 to 30. Chance of precipitation 90 percent. .THURSDAY...Breezy, colder. Mostly cloudy with a 50 percent chance of snow. Highs 30 to 38. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 40 percent chance of snow. Lows in the lower 20s. Highs 31 to 39. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 34 to 42. $$ MTZ307-191000- Southern Rocky Mountain Front- Including the city of Rogers Pass 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Not as cool. Mostly clear with a 20 percent chance of snow. Highs 39 to 49. Lows 17 to 30. West winds 5 to 15 mph with gusts to around 30 mph. .SUNDAY...Not as cool. Sunny. Highs 49 to 59. Southwest winds 5 to 15 mph. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 33 to 39. West winds 5 to 10 mph with gusts to around 30 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 56 to 66. Lows 36 to 42. West winds up to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs 61 to 71. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows 38 to 44. .WEDNESDAY...Partly sunny with chance of rain in the morning, then cloudy with rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 47 to 57. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Colder. Rain and snow. Snow may be heavy at times after midnight. Heavy snow accumulations. Lows 25 to 31. Chance of precipitation 90 percent. .THURSDAY...Colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs 29 to 39. Chance of snow 80 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 40 percent chance of snow. Lows 18 to 24. Highs 32 to 40. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 18 to 24. .SATURDAY...Partly sunny with a 30 percent chance of snow. Highs 34 to 42. $$ MTZ302-191000- Northern High Plains- Including the cities of Browning, Heart Butte, and Dupuyer 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the lower 50s. Lows 23 to 30. Southwest winds 5 to 20 mph. .SUNDAY...Warmer, sunny. Highs 60 to 66. Southwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Not as cool. Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 30s. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs around 70. Lows in the lower 40s. Southwest winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. .WEDNESDAY...Breezy, cooler. Partly sunny. Chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 55 to 61. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Windy, colder. Rain and snow in the evening, then snow and rain likely after midnight. Light snow accumulations. Lows around 30. Chance of precipitation 90 percent. .THURSDAY...Windy, colder. Mostly cloudy with a 50 percent chance of snow. Highs in the lower 40s. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the mid 20s. Highs in the lower 40s. .FRIDAY NIGHT...Mostly cloudy. Lows in the mid 20s. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the mid 40s. Chance of precipitation 20 percent. $$ MTZ308-191000- Southern High Plains- Including the cities of Bynum, Choteau, and Pendroy 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the mid 50s. Lows 24 to 32. Southwest winds up to 15 mph. .SUNDAY...Sunny. Highs in the mid 60s. Southwest winds up to 10 mph. .SUNDAY NIGHT...Not as cool. Mostly clear in the evening then becoming mostly cloudy. Lows around 40. Southwest winds 5 to 10 mph with gusts to around 25 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the mid 40s. West winds up to 15 mph. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the mid 40s. .WEDNESDAY...Cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain and snow. Light snow accumulations. Lows in the lower 30s. Chance of precipitation 90 percent. .THURSDAY...Breezy, colder. Mostly cloudy. Snow likely in the morning, then chance of snow in the afternoon. Light snow accumulations. Highs in the lower 40s. Chance of snow 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of snow 40 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow. Highs in the mid 40s. Lows in the mid 20s. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent. $$ MTZ303-191000- Eastern Glacier, Western Toole, and Central Pondera- Including the cities of Cut Bank, Ethridge, and Santa Rita 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the upper 50s. Lows 21 to 27. West winds up to 15 mph with gusts to around 30 mph. .SUNDAY...Sunny. Highs in the upper 60s. Southwest winds up to 10 mph increasing to 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the upper 30s. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. Southwest winds up to 15 mph with gusts to around 30 mph. .TUESDAY...Mostly sunny. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. .WEDNESDAY...Breezy, cooler. Partly sunny. Slight chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Windy, colder. Rain and snow likely. Light snow accumulations. Lows around 30. Chance of precipitation 70 percent. .THURSDAY...Windy, colder. Mostly cloudy with a 50 percent chance of snow. Highs in the lower 40s. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the mid 20s. Highs in the mid 40s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s. .SATURDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the mid 40s. && TEMPERATURE / PRECIPITATION Cut Bank 23 67 36 73 / 20 0 0 0 $$ MTZ304-191000- Eastern Toole and Liberty- Including the cities of Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Partly cloudy. Highs in the upper 50s. Lows 22 to 29. South winds up to 15 mph. .SUNDAY...Sunny. Highs in the upper 60s. South winds up to 5 mph shifting to the southwest 5 to 15 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 34 to 40. West winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the lower 70s. Lows 39 to 45. Southwest winds up to 10 mph. .TUESDAY...Sunny. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. .WEDNESDAY...Cooler. Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the mid 60s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain and snow in the evening, then rain and snow likely after midnight. Light snow accumulations. Lows in the lower 30s. Chance of precipitation 80 percent. .THURSDAY...Breezy. Much colder. Mostly cloudy with a 50 percent chance of snow. Highs in the lower 40s. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the mid 20s. Highs in the mid 40s. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the mid 40s. Chance of precipitation 20 percent. $$ MTZ305-191000- Hill County- Including the city of Havre 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Partly cloudy. Highs in the upper 50s. Lows in the mid 20s. East winds up to 15 mph. .SUNDAY...Sunny. Highs in the upper 60s. South winds up to 15 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the upper 30s. Southwest winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Mostly clear. Highs in the lower 70s. Lows in the lower 40s. South winds up to 10 mph. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs around 80. Lows in the upper 40s. .WEDNESDAY...Cooler. Partly sunny. A 40 percent chance of rain in the afternoon. Highs around 70. .WEDNESDAY NIGHT...Breezy, colder. Rain showers likely and slight chance of thunderstorms in the evening, then rain and snow likely after midnight. Lows in the lower 30s. Chance of precipitation 70 percent. .THURSDAY...Windy. Much cooler. Mostly cloudy. Chance of snow and rain in the morning, then chance of snow in the afternoon. Highs in the mid 40s. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of snow and rain in the evening, then partly cloudy after midnight. Lows in the mid 20s. .FRIDAY...Partly sunny with a 20 percent chance of snow. Highs in the mid 40s. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s. .SATURDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the upper 40s. && TEMPERATURE / PRECIPITATION Havre 26 69 38 74 / 0 0 0 0 $$ MTZ306-191000- Northern Blaine County- Including the cities of Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Partly cloudy. Highs 51 to 57. Lows 21 to 28. Southeast winds 5 to 15 mph. .SUNDAY...Warmer, sunny. Highs 61 to 67. Southeast winds 5 to 15 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the mid 30s. South winds 5 to 15 mph. .MONDAY...Sunny. Highs around 70. Northwest winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. Southeast winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Partly sunny. A 30 percent chance of rain in the afternoon. Highs in the lower 70s. .WEDNESDAY NIGHT...Windy, colder. Rain showers likely and slight chance of thunderstorms in the evening, then rain and snow likely after midnight. Lows in the lower 30s. Chance of precipitation 70 percent. .THURSDAY...Windy. Much cooler. Mostly cloudy. Snow and rain likely in the morning, then chance of snow and rain in the afternoon. Highs in the mid 40s. Chance of precipitation 60 percent. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of snow and rain in the evening, then partly cloudy after midnight. Lows in the mid 20s. .FRIDAY...Partly sunny with a 20 percent chance of snow. Highs in the mid 40s. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 20s. .SATURDAY...Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the mid 40s. $$ MTZ309-191000- Eastern Pondera and Eastern Teton- Including the cities of Brady, Conrad, and Ledger 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the upper 50s. Lows 22 to 27. Southwest winds up to 15 mph. .SUNDAY...Sunny. Highs in the upper 60s. Southwest winds up to 10 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the lower 40s. Southwest winds up to 15 mph. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. .WEDNESDAY...Cooler. Partly sunny. Slight chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain and snow. Lows in the lower 30s. Chance of precipitation 80 percent. .THURSDAY...Breezy. Much colder. Mostly cloudy. Snow likely in the morning, then chance of snow in the afternoon. Light snow accumulations. Highs in the mid 40s. Chance of snow 60 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the mid 20s. Highs in the mid 40s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s. .SATURDAY...Mostly 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. $$ MTZ310-191000- Western and Central Chouteau County- Including the cities of Floweree, Carter, and Fort Benton 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the upper 50s. Lows 25 to 30. South winds up to 15 mph with gusts to around 30 mph. .SUNDAY...Sunny. Highs in the upper 60s. South winds up to 10 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the upper 30s. Southwest winds 5 to 10 mph. .MONDAY...Sunny. Highs in the mid 70s. West winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. South winds up to 10 mph. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the lower 80s. Lows in the upper 40s. .WEDNESDAY...Cooler. Partly sunny. A 50 percent chance of rain in the afternoon. Highs around 70. .WEDNESDAY NIGHT...Breezy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Lows in the lower 30s. Chance of precipitation 90 percent. .THURSDAY...Breezy. Much cooler. Mostly cloudy. Snow and rain likely in the morning, then chance of snow in the afternoon. Moderate snow accumulations. Highs in the mid 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow and rain in the evening, then slight chance of snow after midnight. Lows in the upper 20s. Chance of precipitation 40 percent. .FRIDAY...Partly sunny with a 20 percent chance of snow. Highs in the mid 40s. .FRIDAY NIGHT...Mostly cloudy with slight chance of rain and snow in the evening, then partly cloudy with slight chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 20 percent. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent. $$ MTZ311-191000- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Partly cloudy. Highs 52 to 58. Lows 25 to 31. Southeast winds up to 15 mph with gusts to around 30 mph. .SUNDAY...Warmer, sunny. Highs 62 to 68. South winds up to 10 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the lower 40s. Southwest winds 5 to 10 mph. .MONDAY...Mostly sunny. Highs in the lower 70s. West winds up to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. Southeast winds up to 10 mph. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs 76 to 82. Lows in the lower 50s. .WEDNESDAY...Partly sunny. A 40 percent chance of rain in the afternoon. Highs 68 to 74. .WEDNESDAY NIGHT...Breezy, colder. Rain showers likely and slight chance of thunderstorms in the evening, then snow with rain likely after midnight. Light snow accumulations. Lows in the mid 30s. Chance of precipitation 80 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 in the mid 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy with chance of snow in the evening, then partly cloudy with slight chance of snow after midnight. Lows in the mid 20s. Chance of snow 30 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow. Highs in the mid 40s. Lows in the mid 20s. .SATURDAY...Mostly 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. $$ MTZ312-191000- Cascade County below 5000ft- Including the city of Great Falls 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the upper 50s. Lows 25 to 32. Southwest winds up to 15 mph. .SUNDAY...Sunny. Highs in the upper 60s. Southwest winds 5 to 15 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows around 40. Southwest winds 5 to 15 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the mid 40s. South winds 5 to 10 mph. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Lows in the lower 30s. Chance of precipitation 90 percent. .THURSDAY...Breezy. Much colder. Mostly cloudy. Snow and rain likely in the morning, then chance of snow in the afternoon. Moderate snow accumulations. Highs in the mid 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of snow 40 percent. .FRIDAY...Partly sunny with a 20 percent chance of snow. Highs in the mid 40s. .FRIDAY NIGHT...Mostly cloudy with slight chance of rain and snow in the evening, then partly cloudy with slight chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 20 percent. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent. && TEMPERATURE / PRECIPITATION Great Falls Arpt 28 68 39 75 / 20 0 0 0 $$ MTZ313-191000- Judith Basin County and Judith Gap- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the mid 50s. Lows 23 to 32. Southwest winds 5 to 20 mph. .SUNDAY...Sunny. Highs in the mid 60s. Southwest winds up to 10 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the lower 40s. Southwest winds 5 to 15 mph. .MONDAY...Mostly sunny. Highs in the lower 70s. West winds 5 to 15 mph shifting to the northwest in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. West winds 5 to 10 mph shifting to the southwest after midnight. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the upper 40s. .WEDNESDAY...Partly sunny. Slight chance of rain in the morning, then rain likely in the afternoon. Highs in the upper 60s. Chance of rain 70 percent. .WEDNESDAY NIGHT...Breezy, 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. Chance of precipitation 90 percent. .THURSDAY...Windy. Much colder. Snow and rain in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs in the lower 40s. Chance of precipitation 80 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 40 percent chance of snow. Lows in the lower 20s. Highs in the lower 40s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of snow and rain in the afternoon. Highs in the mid 40s. Chance of precipitation 20 percent. $$ MTZ314-191000- Fergus County below 4500ft- Including the cities of Hilger and Lewistown 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Partly cloudy. Highs in the mid 50s. Lows 25 to 30. South winds up to 15 mph with gusts to around 30 mph. .SUNDAY...Warmer, sunny. Highs in the upper 60s. Southwest winds up to 10 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the lower 40s. Southwest winds up to 15 mph. .MONDAY...Partly sunny in the morning then clearing. Highs in the lower 70s. Northwest winds 5 to 10 mph with gusts to around 25 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph shifting to the south after midnight. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs around 80. Lows in the lower 50s. .WEDNESDAY...Partly sunny. A 50 percent chance of rain in the afternoon. Highs 70 to 76. .WEDNESDAY NIGHT...Breezy, colder. Rain showers likely and slight chance of thunderstorms in the evening, then rain and snow after midnight. Lows in the mid 30s. Chance of precipitation 80 percent. .THURSDAY...Windy. Much cooler. Mostly cloudy. Snow and rain likely in the morning, then chance of snow and rain in the afternoon. Moderate snow accumulations. Highs in the mid 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow and rain in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 40 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow. Highs in the mid 40s. Lows in the mid 20s. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent. && TEMPERATURE / PRECIPITATION Lewistown 25 65 40 71 / 10 0 0 0 $$ MTZ315-191000- Upper Blackfoot and MacDonald Pass- Including the cities of Marysville, Lincoln, Flesher Pass, and MacDonald Pass 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Not as cool. Mostly clear with a 20 percent chance of snow. Highs 45 to 53. Lows 21 to 32. Southwest winds up to 15 mph. .SUNDAY...Not as cool. Sunny. Highs 55 to 63. Southwest winds up to 10 mph with gusts to around 25 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. Southwest winds up to 10 mph with gusts to around 25 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 62 to 70. Lows in the lower 40s. Southwest winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly sunny. Highs 66 to 74. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Cooler. Partly sunny with chance of rain in the morning, then cloudy with rain showers and slight chance of thunderstorms in the afternoon. Highs 52 to 60. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Colder. Rain and snow. Moderate snow accumulations. Lows around 30. Chance of precipitation 90 percent. .THURSDAY...Colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs 33 to 41. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 40 percent chance of snow. Lows in the lower 20s. Highs 36 to 44. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 38 to 46. Chance of snow 30 percent. $$ MTZ316-191000- Gates of the Mountains- Including the cities of Canyon Creek, Wolf Creek, and Craig 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs 51 to 57. Lows 24 to 33. Southwest winds up to 15 mph. .SUNDAY...Warmer, sunny. Highs 61 to 67. South winds 5 to 15 mph. .SUNDAY NIGHT...Not as cool. Mostly clear in the evening then becoming mostly cloudy. Lows in the lower 40s. Southwest winds up to 10 mph with gusts to around 25 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 68 to 74. Lows in the mid 40s. Southwest winds up to 10 mph. .TUESDAY...Sunny. Highs 73 to 79. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 66. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Colder. Rain showers, snow and slight chance of thunderstorms in the evening, then rain and snow after midnight. Light snow accumulations. Lows in the lower 30s. Chance of precipitation 90 percent. .THURSDAY...Colder. Snow likely. Moderate snow accumulations. Highs 38 to 44. Chance of snow 70 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 40 percent chance of snow. Lows in the mid 20s. Highs 40 to 46. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs 43 to 49. Chance of precipitation 20 percent. $$ MTZ317-191000- Little Belt and Highwood Mountains- Including the cities of Monarch, Neihart, and Kings Hill Pass 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Not as cool. Mostly clear with a 20 percent chance of snow. Highs 44 to 52. Lows 19 to 33. Southwest winds 5 to 15 mph with gusts to around 35 mph. .SUNDAY...Not as cool. Sunny. Highs 54 to 62. Southwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 36 to 42. Southwest winds 5 to 15 mph with gusts to around 30 mph. .MONDAY...Warmer. Mostly sunny. Highs 61 to 69. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Partly cloudy. Lows 40 to 46. Southwest winds 5 to 15 mph. .TUESDAY...Sunny. Highs 66 to 74. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 44 to 50. .WEDNESDAY...Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain likely in the afternoon. Highs 56 to 64. Chance of rain 70 percent. .WEDNESDAY NIGHT...Much colder. Rain showers, snow showers and slight chance of thunderstorms in the evening, then snow and rain after midnight. Heavy snow accumulations. Lows 26 to 32. Chance of precipitation 90 percent. .THURSDAY...Breezy. 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 33 to 39. Chance of snow 90 percent. .THURSDAY NIGHT...Colder. Mostly cloudy with a 50 percent chance of snow. Lows 18 to 24. .FRIDAY...Partly sunny with a 40 percent chance of snow. Highs 34 to 40. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 18 to 24. .SATURDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 38 to 44. Chance of snow 40 percent. $$ MTZ318-191000- Snowy and Judith Mountains- 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Not as cool. Partly cloudy. Highs 46 to 52. Lows 20 to 31. Southwest winds up to 15 mph with gusts to around 35 mph. .SUNDAY...Not as cool. Sunny. Highs 57 to 63. Southwest winds up to 10 mph with gusts to around 25 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the lower 40s. Southwest winds 5 to 15 mph with gusts to around 30 mph. .MONDAY...Mostly sunny. Highs 64 to 70. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph shifting to the south after midnight. Gusts up to 25 mph. .TUESDAY...Mostly sunny. Highs 70 to 76. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .WEDNESDAY...Partly sunny. A 50 percent chance of rain in the afternoon. Highs 62 to 68. .WEDNESDAY NIGHT...Breezy, colder. Rain in the evening, then rain and snow after midnight. Moderate snow accumulations. Lows around 30. Chance of precipitation 90 percent. .THURSDAY...Windy. Much colder. Snow in the morning, then snow likely in the afternoon. Heavy snow accumulations. Highs 35 to 41. Chance of snow 90 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the lower 20s. Chance of snow 50 percent. .FRIDAY...Partly sunny. Slight chance of snow in the morning, then chance of snow in the afternoon. Highs 36 to 42. Chance of snow 40 percent. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs 38 to 44. $$ MTZ319-191000- Helena Valley- Including the city of Helena 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the upper 50s. Lows 22 to 30. South winds up to 15 mph. .SUNDAY...Sunny. Highs in the upper 60s. South winds up to 10 mph. .SUNDAY NIGHT...Not as cool. Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 30s. Southwest winds up to 10 mph. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the lower 40s. South winds up to 10 mph. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain likely in the afternoon. Highs in the upper 60s. Chance of rain 70 percent. .WEDNESDAY NIGHT...Colder. Rain in the evening, then rain and snow after midnight. Lows in the lower 30s. Chance of precipitation 80 percent. .THURSDAY...Much cooler. Mostly cloudy. Snow and rain likely in the morning, then chance of snow in the afternoon. Highs in the mid 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of snow 40 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain and snow. Highs in the upper 40s. Lows in the mid 20s. .SATURDAY...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. && TEMPERATURE / PRECIPITATION Helena 27 69 40 75 / 20 0 0 0 $$ MTZ320-191000- Big Belt, Bridger and Castle Mountains- Including the cities of Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Not as cool. Mostly clear with a 20 percent chance of snow. Highs 42 to 52. Lows 19 to 31. Southwest winds up to 15 mph with gusts to around 45 mph. .SUNDAY...Not as cool. Sunny. Highs 52 to 62. Southwest winds 5 to 15 mph with gusts to around 35 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the upper 30s. South winds 5 to 15 mph with gusts to around 35 mph. .MONDAY...Warmer. Mostly sunny. Highs 61 to 69. Southwest winds up to 15 mph with gusts to around 35 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southwest winds 5 to 15 mph with gusts to around 35 mph shifting to the southeast with gusts to around 25 mph after midnight. .TUESDAY...Sunny. Highs 65 to 73. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain likely in the afternoon. Highs 55 to 63. Chance of rain 70 percent. .WEDNESDAY NIGHT...Colder. Rain and snow. Heavy snow accumulations. Lows 28 to 34. Chance of precipitation 90 percent. .THURSDAY...Breezy, colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs 33 to 43. Chance of snow 90 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows in the mid 20s. .FRIDAY...Partly sunny with a 40 percent chance of snow. Highs 36 to 44. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 39 to 49. $$ MTZ321-191000- Meagher County Valleys- Including the cities of Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the lower 50s. Lows 20 to 29. Southwest winds up to 15 mph with gusts to around 35 mph. .SUNDAY...Not as cool. Sunny. Highs in the lower 60s. Southwest winds up to 10 mph increasing to 10 to 15 mph with gusts to around 30 mph in the afternoon. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the upper 30s. Southwest winds up to 15 mph. Gusts up to 30 mph in the evening. .MONDAY...Sunny. Highs in the upper 60s. Southwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southwest winds 5 to 10 mph with gusts to around 25 mph shifting to the south after midnight. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. .WEDNESDAY...Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain likely in the afternoon. Highs in the mid 60s. Chance of rain 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain in the evening, then rain and snow after midnight. Light snow accumulations. Lows in the lower 30s. Chance of precipitation 90 percent. .THURSDAY...Breezy. Much colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs in the lower 40s. Chance of snow 90 percent. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of snow. Lows in the mid 20s. .FRIDAY...Partly sunny with a 40 percent chance of snow. Highs in the mid 40s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs in the upper 40s. $$ MTZ322-191000- Elkhorn and Boulder Mountains- Including the cities of Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear. Highs 45 to 55. Lows 18 to 32. Southwest winds up to 15 mph with gusts to around 35 mph. .SUNDAY...Not as cool. Sunny. Highs 54 to 64. Southwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 35 to 41. Southwest winds up to 10 mph. Gusts up to 35 mph decreasing to 25 mph after midnight. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 61 to 71. Lows 38 to 44. Southwest winds up to 15 mph with gusts to around 30 mph. .TUESDAY...Sunny. Highs 64 to 74. .TUESDAY NIGHT...Partly cloudy. Lows 40 to 46. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then rain likely and snow in the afternoon. Highs 52 to 62. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Colder. Rain and snow. Heavy snow accumulations. Lows 28 to 34. Chance of precipitation 90 percent. .THURSDAY...Colder. Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs 33 to 41. Chance of snow 90 percent. .THURSDAY NIGHT...Colder. Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows 20 to 26. Chance of snow 50 percent. .FRIDAY...Partly sunny with a 40 percent chance of snow. Highs 36 to 44. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 20 to 26. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 39 to 47. $$ MTZ323-191000- Canyon Ferry Area- Including the cities of Toston, Townsend, and Winston 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear with a 20 percent chance of snow. Highs in the upper 50s. Lows 23 to 34. South winds up to 15 mph with gusts to around 30 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds up to 15 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows around 40. South winds up to 15 mph. .MONDAY...Sunny. Highs in the lower 70s. South winds up to 10 mph. Gusts up to 25 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. South winds up to 15 mph. .TUESDAY...Sunny. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain likely in the afternoon. Highs in the upper 60s. Chance of rain 70 percent. .WEDNESDAY NIGHT...Breezy, colder. Rain in the evening, then rain and snow after midnight. Lows in the mid 30s. Chance of precipitation 90 percent. .THURSDAY...Breezy. Much cooler. Snow and rain likely in the morning, then snow likely in the afternoon. Highs in the mid 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the upper 20s. Chance of snow 40 percent. .FRIDAY...Partly sunny with a 20 percent chance of snow. Highs in the upper 40s. .FRIDAY NIGHT...Mostly cloudy. Slight chance of rain and snow in the evening, then slight chance of snow after midnight. Lows in the upper 20s. Chance of precipitation 20 percent. .SATURDAY...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. $$ MTZ324-191000- Missouri Headwaters- Including the cities of Harrison, Three Forks, Willow Creek, Pony, and Whitehall 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear. Highs in the upper 50s. Lows 21 to 30. Southwest winds up to 15 mph with gusts to around 30 mph. .SUNDAY...Sunny. Highs in the mid 60s. Southwest winds up to 15 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the upper 30s. Southwest winds up to 15 mph. .MONDAY...Sunny. Highs in the mid 70s. Southwest winds up to 10 mph. Gusts up to 25 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southwest winds up to 15 mph. .TUESDAY...Sunny. Highs in the upper 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain likely in the afternoon. Highs in the mid 60s. Chance of rain 70 percent. .WEDNESDAY NIGHT...Colder. Rain in the evening, then rain and snow after midnight. Lows in the mid 30s. Chance of precipitation 80 percent. .THURSDAY...Breezy, cooler. Mostly cloudy. Snow and rain likely in the morning, then chance of snow and rain in the afternoon. Light snow accumulations. Highs in the upper 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the upper 20s. Chance of snow 40 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow. Highs in the upper 40s. Lows in the upper 20s. .SATURDAY...Mostly sunny. A 20 percent chance of snow in the afternoon. Highs in the lower 50s. $$ MTZ325-191000- Madison River Valley- Including the cities of Cameron, Ennis, Jeffers, McAllister, and Norris 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Mostly clear. Highs in the lower 50s. Lows 18 to 31. South winds up to 20 mph. .SUNDAY...Not as cool. Sunny. Highs in the lower 60s. South winds 5 to 15 mph. .SUNDAY NIGHT...Not as cool. Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. South winds 5 to 15 mph. .MONDAY...Sunny. Highs around 70. Southwest winds 5 to 15 mph. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. South winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Breezy. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain likely in the afternoon. Highs 59 to 65. Chance of rain 70 percent. .WEDNESDAY NIGHT...Colder. Rain in the evening, then rain and snow after midnight. Lows in the lower 30s. Chance of precipitation 80 percent. .THURSDAY...Cooler. Snow and rain likely in the morning, then snow likely in the afternoon. Light snow accumulations. Highs in the mid 40s. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of snow 40 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow. Highs in the upper 40s. Lows in the mid 20s. .SATURDAY...Mostly sunny. A 20 percent chance of snow in the afternoon. Highs in the lower 50s. $$ MTZ326-191000- Gallatin Valley- Including the cities of Bozeman and Gallatin Gateway 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Partly cloudy. Patchy fog early in the morning. Highs in the mid 50s. Lows 19 to 29. Southeast winds up to 10 mph with gusts to around 25 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds up to 5 mph shifting to the southwest in the afternoon. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the upper 30s. South winds up to 10 mph. .MONDAY...Sunny. Highs in the lower 70s. South winds up to 5 mph shifting to the west in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. South winds up to 10 mph. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the mid 40s. .WEDNESDAY...Cooler. Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the mid 60s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Colder. Rain likely in the evening, then rain and snow after midnight. Lows in the mid 30s. Chance of precipitation 80 percent. .THURSDAY...Cooler. Snow and rain in the morning, then snow likely and chance of rain in the afternoon. Light snow accumulations. Highs in the upper 40s. Chance of precipitation 90 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of snow 50 percent. .FRIDAY...Partly sunny with a 20 percent chance of snow. Highs in the upper 40s. .FRIDAY NIGHT...Mostly cloudy. Slight chance of rain and snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 20 percent. .SATURDAY...Mostly sunny. Slight chance of snow in the morning, then slight chance of rain and snow in the afternoon. Highs in the lower 50s. Chance of precipitation 20 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 21 67 35 74 / 10 0 0 0 Bozeman MSU 23 65 37 72 / 10 0 0 0 $$ MTZ330-191000- Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Not as cool. Mostly clear. Highs 35 to 47. Lows 10 to 28. South winds up to 15 mph with gusts to around 35 mph. .SUNDAY...Not as cool. Sunny. Highs 46 to 58. South winds 5 to 15 mph with gusts to around 30 mph. .SUNDAY NIGHT...Partly cloudy. Lows 29 to 37. South winds 5 to 15 mph with gusts to around 30 mph. .MONDAY...Warmer, sunny. Highs 53 to 65. South winds up to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Partly cloudy. Lows 34 to 42. South winds 5 to 15 mph with gusts to around 30 mph. .TUESDAY...Sunny. Highs 56 to 68. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain after midnight. Lows 35 to 43. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then rain showers, snow showers likely and slight chance of thunderstorms in the afternoon. Light snow accumulations. Highs 44 to 56. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Colder. Snow and rain. Heavy snow accumulations. Lows 26 to 32. Chance of precipitation 80 percent. .THURSDAY...Snow. Heavy snow accumulations. Highs 32 to 42. Chance of snow 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 50 percent chance of snow. Lows 18 to 24. Highs 34 to 44. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Lows 18 to 24. .SATURDAY...Mostly sunny with a 20 percent chance of snow. Highs 38 to 48. && TEMPERATURE / PRECIPITATION West Yellowstone 13 58 25 64 / 0 0 0 0 $$ MTZ327-191000- Northwest Beaverhead County- Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Not as cool. Partly cloudy. Highs 41 to 51. Lows 14 to 27. Southwest winds up to 15 mph with gusts to around 30 mph. .SUNDAY...Not as cool. Sunny. Highs 51 to 61. Southwest winds up to 10 mph with gusts to around 25 mph. .SUNDAY NIGHT...Not as cold. Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. Southwest winds up to 10 mph with gusts to around 25 mph. .MONDAY...Warmer. Mostly sunny. Highs 57 to 67. Southwest winds up to 15 mph. Gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds 5 to 10 mph shifting to the south after midnight. Gusts up to 30 mph. .TUESDAY...Sunny. Highs 60 to 70. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain after midnight. Lows in the upper 30s. .WEDNESDAY...Partly sunny with chance of rain and snow in the morning, then cloudy with rain showers, snow showers and slight chance of thunderstorms in the afternoon. Moderate snow accumulations. Highs 46 to 56. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Snow and rain in the evening, then snow with rain likely after midnight. Heavy snow accumulations. Lows around 30. Chance of precipitation 90 percent. .THURSDAY...Snow in the morning, then snow likely in the afternoon. Moderate snow accumulations. Highs 34 to 44. Chance of snow 90 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the lower 20s. Chance of snow 50 percent. .FRIDAY...Partly sunny with a 40 percent chance of snow. Highs 36 to 46. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs 40 to 50. $$ MTZ328-191000- Beaverhead and Western Madison below 6000ft- Including the cities of Bannack, Dillon, Glen, and Waterloo 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Warmer. Partly cloudy. Highs 50 to 56. Lows 18 to 30. South winds up to 15 mph with gusts to around 30 mph. .SUNDAY...Warmer, sunny. Highs 61 to 67. South winds up to 15 mph. Gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Not as cool. Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. South winds up to 15 mph. Gusts up to 30 mph in the evening. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 67 to 73. Lows in the lower 40s. South winds up to 15 mph with gusts to around 30 mph. .TUESDAY...Sunny. Highs 70 to 76. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 40s. .WEDNESDAY...Cooler. Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Light snow accumulations. Highs 57 to 63. Chance of precipitation 70 percent. .WEDNESDAY NIGHT AND THURSDAY...Cooler. Rain and snow likely. Heavy snow accumulations. Lows in the mid 30s. Highs 43 to 49. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of snow 40 percent. .FRIDAY...Partly sunny with a 20 percent chance of snow. Highs 45 to 51. .FRIDAY NIGHT...Mostly cloudy. Lows in the mid 20s. .SATURDAY...Mostly sunny. Highs 49 to 55. && TEMPERATURE / PRECIPITATION Dillon 23 66 35 73 / 0 0 0 0 $$ MTZ329-191000- Ruby Mountains and Southern Beaverhead Mountains- Including the city of Monida Pass 1232 AM MDT Sat Apr 18 2026 .REST OF TONIGHT...Not as cool. Partly cloudy. Highs 40 to 48. Lows 16 to 28. South winds up to 20 mph. .SUNDAY...Not as cool. Sunny. Highs 51 to 59. South winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Not as cool. Partly cloudy. Lows in the mid 30s. South winds 5 to 15 mph. Gusts up to 35 mph decreasing to 25 mph after midnight. .MONDAY...Warmer. Mostly sunny. Highs 58 to 66. South winds up to 10 mph shifting to the southwest with gusts to around 35 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows around 40. South winds 5 to 20 mph with gusts to around 35 mph. .TUESDAY...Breezy, sunny. Highs 60 to 68. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain after midnight. Lows 36 to 42. .WEDNESDAY...Windy. Partly sunny. Chance of rain and snow in the morning, then rain showers, snow showers likely and slight chance of thunderstorms in the afternoon. Light snow accumulations. Highs 47 to 55. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Snow and rain likely. Heavy snow accumulations. Lows in the lower 30s. Chance of precipitation 70 percent. .THURSDAY...Breezy. Snow likely. Moderate snow accumulations. Highs 36 to 44. Chance of snow 70 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of snow in the evening, then slight chance of snow after midnight. Lows in the lower 20s. Chance of snow 50 percent. .FRIDAY...Partly sunny with a 20 percent chance of snow. Highs 37 to 45. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance of snow. Lows in the mid 20s. Highs 41 to 49. $$