


Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
634 FPUS55 KTFX 210757 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 157 AM MDT Thu Aug 21 2025 Spot temperatures and probabilities of measurable precipitation are for .TONIGHT THROUGH TODAY..., Friday, Friday night, and Saturday. MTZ301-221000- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Mostly clear. Highs 65 to 75. Lows 40 to 50. Northeast winds 5 to 15 mph. .FRIDAY...Sunny. Highs 60 to 70. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 40 to 45. East winds 5 to 15 mph. .SATURDAY...Sunny. Highs 65 to 75. East winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 15 mph. .SUNDAY...Sunny. Highs 65 to 75. .SUNDAY NIGHT...Partly cloudy. Lows 45 to 50. .MONDAY...Sunny. Highs 65 to 75. .MONDAY NIGHT...Partly cloudy. Lows around 50. .TUESDAY...Sunny. Highs 70 to 80. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 70 to 80. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. $$ MTZ307-221000- Southern Rocky Mountain Front- Including Rogers Pass 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs 65 to 75. Lows 40 to 50. Northeast winds up to 10 mph. .FRIDAY...Sunny. Highs 60 to 70. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 40 to 45. East winds 5 to 15 mph. .SATURDAY...Sunny. Highs 65 to 75. East winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows 45 to 50. Northeast winds up to 10 mph. .SUNDAY THROUGH MONDAY NIGHT...Partly cloudy. Highs 65 to 75. Lows 45 to 50. .TUESDAY...Sunny. Highs 70 to 80. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 55. Highs 70 to 80. .THURSDAY...Partly cloudy with a 20 percent chance of snow showers. Highs 70 to 80. $$ MTZ302-221000- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Partly cloudy. Highs in the mid 70s. Lows 45 to 50. Northwest winds up to 10 mph. .FRIDAY...Partly cloudy in the morning then becoming sunny. Highs around 70. North winds up to 10 mph shifting to the northeast in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. East winds 5 to 15 mph. .SATURDAY...Sunny. Highs around 75. Southeast winds up to 10 mph shifting to the east in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. Southeast winds 5 to 15 mph. .SUNDAY...Sunny. Highs around 75. .SUNDAY NIGHT...Partly cloudy. Lows 45 to 50. .MONDAY...Sunny. Highs around 80. .MONDAY NIGHT...Partly cloudy. Lows around 50. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs 80 to 85. Lows around 50. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 50 to 55. Highs around 80. $$ MTZ308-221000- Southern High Plains- Including Bynum, Choteau, and Pendroy 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs 75 to 80. Lows 50 to 55. North winds up to 10 mph. .FRIDAY...Partly cloudy in the morning then clearing. Highs 70 to 75. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 15 mph shifting to the north up to 5 mph after midnight. .SATURDAY...Sunny. Highs 75 to 80. North winds up to 5 mph shifting to the east in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows around 50. Northeast winds 5 to 15 mph shifting to the north up to 5 mph after midnight. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 75 to 80. Lows around 50. .MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 80 to 85. Lows 50 to 55. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 80 to 85. Lows around 55. $$ MTZ303-221000- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs 75 to 80. Lows 45 to 50. North winds 5 to 15 mph. .FRIDAY...Partly cloudy in the morning then becoming sunny. Highs around 70. North winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. East winds up to 10 mph. .SATURDAY...Sunny. Highs 75 to 80. Southeast winds up to 10 mph shifting to the east in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 15 mph. .SUNDAY THROUGH WEDNESDAY...Mostly clear. Highs 75 to 85. Lows 45 to 50. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY...Sunny. Highs 80 to 85. && TEMPERATURE / PRECIPITATION Cut Bank 47 72 45 77 / 10 0 0 0 $$ MTZ304-221000- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs 75 to 80. Lows around 50. North winds 5 to 15 mph. .FRIDAY...Partly cloudy in the morning then clearing. Highs 70 to 75. North winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds up to 10 mph. .SATURDAY...Sunny. Highs 75 to 80. East winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows around 50. East winds 5 to 10 mph. .SUNDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 50 to 55. .WEDNESDAY...Sunny. Highs around 85. .WEDNESDAY NIGHT...Partly cloudy. Lows around 55. .THURSDAY...Sunny. Highs 80 to 85. $$ MTZ305-221000- Hill County- Including Havre 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs 75 to 80. Lows 50 to 55. North winds 5 to 10 mph. .FRIDAY...Partly cloudy in the morning then clearing. Highs in the mid 70s. North winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 10 mph. .SATURDAY...Sunny. Highs 75 to 80. East winds 5 to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows around 50. East winds 5 to 10 mph. .SUNDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 50 to 55. .WEDNESDAY...Sunny. Highs around 85. .WEDNESDAY NIGHT...Partly cloudy. Lows around 55. .THURSDAY...Sunny. Highs around 85. && TEMPERATURE / PRECIPITATION Havre 52 75 47 79 / 0 0 0 0 $$ MTZ306-221000- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs 75 to 80. Lows 50 to 55. Northwest winds 5 to 15 mph. .FRIDAY...Sunny. Highs 70 to 75. Northwest winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. North winds 5 to 15 mph shifting to the northeast up to 5 mph after midnight. .SATURDAY...Sunny. Highs around 75. East winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 10 mph. .SUNDAY...Sunny. Highs around 75. .SUNDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows 45 to 50. Highs 75 to 85. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. .THURSDAY...Sunny. Highs 80 to 85. $$ MTZ309-221000- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs around 80. Lows around 50. North winds 5 to 10 mph. .FRIDAY...Partly cloudy in the morning then clearing. Highs in the mid 70s. North winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. Northeast winds up to 10 mph. .SATURDAY...Sunny. Highs around 80. East winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph. .SUNDAY...Sunny. Highs around 80. .SUNDAY NIGHT...Partly cloudy. Lows around 50. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 80 to 85. Lows around 50. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 55. Highs around 85. $$ MTZ310-221000- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs around 80. Lows in the mid 50s. Northeast winds up to 10 mph. .FRIDAY...Mostly cloudy in the morning then clearing. Highs in the mid 70s. North winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows around 50. Northeast winds 5 to 15 mph. .SATURDAY...Sunny. Highs around 80. East winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows around 50. East winds 5 to 15 mph. .SUNDAY...Sunny. Highs around 80. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. .MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 80 to 90. Lows 50 to 55. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 55 to 60. Highs around 85. $$ MTZ311-221000- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs 75 to 80. Lows 50 to 60. North winds up to 10 mph. .FRIDAY...Partly cloudy in the morning then clearing. Highs 70 to 75. North winds 5 to 15 mph. .FRIDAY NIGHT...Cooler. Mostly clear. Lows 45 to 50. North winds 5 to 10 mph shifting to the east after midnight. .SATURDAY...Sunny. Highs 75 to 80. East winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows around 50. East winds 5 to 15 mph. .SUNDAY THROUGH WEDNESDAY...Mostly clear. Highs 75 to 85. Lows 50 to 55. .WEDNESDAY NIGHT...Partly cloudy. Lows 55 to 60. .THURSDAY...Sunny. Highs 80 to 85. $$ MTZ312-221000- Cascade County below 5000ft- Including Great Falls 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs 80 to 85. Lows 50 to 55. Northeast winds 5 to 15 mph. .FRIDAY...Partly cloudy in the morning then clearing. Highs in the mid 70s. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Clear. Lows 45 to 50. Northeast winds 10 to 15 mph shifting to the east after midnight. .SATURDAY...Sunny. Highs 80 to 85. South winds up to 5 mph shifting to the northeast in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows around 50. Northeast winds 10 to 15 mph decreasing to up to 10 mph after midnight. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 80 to 85. Lows 50 to 55. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY...Sunny. Highs 85 to 90. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 55. Highs 80 to 85. && TEMPERATURE / PRECIPITATION Great Falls Arpt 54 75 48 81 / 10 0 0 0 $$ MTZ313-221000- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Partly cloudy. Highs 75 to 80. Lows 50 to 55. Northeast winds up to 10 mph. .FRIDAY...Mostly cloudy in the morning then clearing. Highs 70 to 75. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph shifting to the southeast after midnight. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs 75 to 80. Lows around 50. Southeast winds 5 to 15 mph. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 75 to 80. Lows around 50. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 75 to 80. Lows around 50. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. Highs 80 to 85. .THURSDAY...Partly cloudy with a 20 percent chance of snow showers. Highs 80 to 85. $$ MTZ314-221000- Fergus County below 4500ft- Including Hilger and Lewistown 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Partly cloudy with a 20 percent chance of rain showers. Highs around 80. Lows 55 to 60. Northeast winds 5 to 15 mph. .FRIDAY...Mostly cloudy in the morning then clearing. Highs 70 to 75. North winds up to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows around 50. Northeast winds up to 10 mph. .SATURDAY...Sunny. Highs 75 to 80. Southeast winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. East winds 5 to 15 mph. .SUNDAY...Sunny. Highs 75 to 80. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. .MONDAY THROUGH TUESDAY...Mostly clear. Highs 75 to 85. Lows 50 to 55. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 50 to 60. Highs 80 to 85. && TEMPERATURE / PRECIPITATION Lewistown 51 72 45 77 / 10 0 0 0 $$ MTZ315-221000- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Mostly clear. Haze in the evening. Highs 70 to 80. Lows 45 to 55. North winds up to 10 mph. .FRIDAY...Sunny. Highs 65 to 70. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph. .SATURDAY...Warmer, sunny. Highs 70 to 80. East winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 55. Northeast winds up to 10 mph. .SUNDAY THROUGH MONDAY NIGHT...Partly cloudy. Highs 70 to 80. Lows 50 to 55. .TUESDAY...Sunny. Highs 70 to 80. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. Highs 75 to 85. .THURSDAY...Partly cloudy with a 20 percent chance of snow showers. Highs 70 to 80. $$ MTZ316-221000- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Mostly clear. Highs 75 to 85. Lows 50 to 55. North winds up to 10 mph. .FRIDAY...Partly cloudy in the morning then becoming sunny. Highs 70 to 75. North winds 10 to 15 mph. .FRIDAY NIGHT...Clear. Lows 45 to 50. Northeast winds 10 to 15 mph shifting to the north after midnight. .SATURDAY...Warmer, sunny. Highs 75 to 85. Northwest winds up to 5 mph shifting to the northeast in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows around 50. North winds 5 to 15 mph. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs 75 to 85. Lows 50 to 55. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 50 to 55. Highs 80 to 85. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. Highs 80 to 85. .THURSDAY...Partly cloudy with a 20 percent chance of snow showers. Highs 75 to 85. $$ MTZ317-221000- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Partly cloudy. Highs 70 to 75. Lows 45 to 55. East winds up to 10 mph. .FRIDAY...Partly cloudy in the morning then clearing. Highs 65 to 70. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph shifting to the southeast after midnight. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs 70 to 75. Lows 45 to 50. Southeast winds 5 to 15 mph. .SUNDAY THROUGH MONDAY NIGHT...Partly cloudy. Highs 70 to 75. Lows 45 to 50. .TUESDAY...Sunny. Highs 70 to 80. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. Highs 70 to 80. .THURSDAY...Partly cloudy with a 20 percent chance of snow showers. Highs 70 to 75. $$ MTZ318-221000- Snowy and Judith Mountains- 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 75. Lows 50 to 55. East winds 5 to 15 mph. .FRIDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 65 to 70. Northeast winds up to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. East winds up to 10 mph. .SATURDAY...Sunny. Highs 65 to 75. Southeast winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 15 mph. .SUNDAY THROUGH MONDAY NIGHT...Partly cloudy. Highs 65 to 75. Lows 45 to 50. .TUESDAY...Sunny. Highs 70 to 75. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. Highs 70 to 80. .THURSDAY...Partly cloudy with a 20 percent chance of snow showers. Highs 70 to 75. $$ MTZ319-221000- Helena Valley- Including Helena 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Partly cloudy. Haze after midnight. Haze in the evening. Highs in the mid 80s. Lows 50 to 55. Northwest winds up to 10 mph. .FRIDAY...Sunny. Highs 75 to 80. North winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. North winds 10 to 15 mph decreasing to up to 5 mph after midnight. .SATURDAY...Sunny. Highs around 85. Northeast winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows around 50. North winds up to 10 mph. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs around 85. Lows 50 to 55. .MONDAY NIGHT...Partly cloudy. Lows around 50. .TUESDAY...Sunny. Highs around 85. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 55. Highs around 85. .THURSDAY...Partly cloudy with a 20 percent chance of snow showers. Highs around 85. && TEMPERATURE / PRECIPITATION Helena 54 80 50 84 / 0 0 0 0 $$ MTZ320-221000- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Partly cloudy. Haze after midnight. Highs 70 to 80. Lows 50 to 55. East winds up to 10 mph. .FRIDAY...Sunny. Highs 65 to 75. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 15 mph. .SATURDAY...Sunny. Highs 70 to 80. East winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 15 mph. .SUNDAY THROUGH MONDAY NIGHT...Partly cloudy. Highs 70 to 80. Lows 45 to 50. .TUESDAY...Sunny. Highs 70 to 80. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 50 to 55. .THURSDAY...Partly cloudy with a 20 percent chance of snow showers. Highs 70 to 80. $$ MTZ321-221000- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Partly cloudy. Haze after midnight. Highs 75 to 80. Lows 45 to 55. East winds up to 10 mph. .FRIDAY...Partly cloudy in the morning then becoming sunny. Highs 70 to 75. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. East winds 5 to 15 mph. .SATURDAY...Sunny. Highs 75 to 80. East winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows around 45. East winds 5 to 15 mph. .SUNDAY THROUGH MONDAY NIGHT...Partly cloudy. Highs 75 to 80. Lows 45 to 50. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 50. Highs 75 to 80. .THURSDAY...Partly cloudy with a 20 percent chance of snow showers. Highs 75 to 80. $$ MTZ322-221000- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Partly cloudy. Haze after midnight. Haze. Highs 70 to 80. Lows 45 to 55. North winds up to 10 mph. .FRIDAY...Sunny. Highs 65 to 75. North winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph. .SATURDAY...Sunny. Highs 70 to 80. East winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows 45 to 55. North winds up to 10 mph. .SUNDAY...Partly cloudy. Highs 70 to 80. .SUNDAY NIGHT...Mostly cloudy. Lows 50 to 55. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 70 to 80. Lows 45 to 50. .TUESDAY...Sunny. Highs 70 to 80. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 55. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 80. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 45 to 55. .THURSDAY...Mostly cloudy with a 40 percent chance of snow showers. Highs 65 to 75. $$ MTZ323-221000- Canyon Ferry Area- Including Toston, Townsend, and Winston 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Partly cloudy. Haze after midnight. Highs 80 to 85. Lows 50 to 55. North winds up to 10 mph. .FRIDAY...Sunny. Highs 75 to 80. North winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph. .SATURDAY...Sunny. Highs 80 to 85. East winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds up to 10 mph. .SUNDAY THROUGH MONDAY NIGHT...Partly cloudy. Highs 80 to 85. Lows 50 to 55. .TUESDAY...Sunny. Highs 80 to 85. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 80 to 85. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 50 to 55. .THURSDAY...Partly cloudy with a 30 percent chance of snow showers. Highs 80 to 85. $$ MTZ324-221000- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Not as warm. Partly cloudy. Haze after midnight. Highs 80 to 85. Lows 50 to 55. North winds up to 10 mph. .FRIDAY...Sunny. Highs around 80. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 10 to 15 mph decreasing to up to 10 mph after midnight. .SATURDAY...Sunny. Highs 80 to 85. Northeast winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows around 50. Northeast winds up to 10 mph. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs 80 to 85. Lows 50 to 55. .MONDAY NIGHT...Partly cloudy. Lows around 50. .TUESDAY...Sunny. Highs 80 to 85. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 80 to 85. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 50 to 55. .THURSDAY...Mostly cloudy with a 40 percent chance of snow showers. Highs around 80. $$ MTZ325-221000- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Mostly clear. Haze. Highs 80 to 85. Lows 50 to 55. North winds up to 10 mph. .FRIDAY...Sunny. Highs around 80. North winds up to 10 mph increasing to 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 10 to 15 mph decreasing to up to 10 mph after midnight. .SATURDAY...Sunny. Highs 80 to 85. East winds up to 5 mph shifting to the north in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows around 50. Northeast winds 5 to 15 mph shifting to the east after midnight. .SUNDAY...Partly cloudy. Highs 80 to 85. .SUNDAY NIGHT...Mostly cloudy. Lows 50 to 55. .MONDAY AND MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. Lows around 50. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 50 to 55. .THURSDAY...Mostly cloudy with a 50 percent chance of snow showers. Highs 75 to 80. $$ MTZ326-221000- Gallatin Valley- Including Bozeman and Gallatin Gateway 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Mostly clear. Haze. Highs 80 to 85. Lows 50 to 55. East winds up to 10 mph. .FRIDAY...Sunny. Highs around 80. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. East winds 5 to 15 mph. .SATURDAY...Sunny. Highs 80 to 85. East winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows around 50. East winds 5 to 15 mph. .SUNDAY THROUGH MONDAY NIGHT...Partly cloudy. Highs 80 to 85. Lows around 50. .TUESDAY...Sunny with a 20 percent chance of rain showers. Highs 80 to 85. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 80. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 50 to 55. .THURSDAY...Partly cloudy with a 40 percent chance of snow showers. Highs around 80. && TEMPERATURE / PRECIPITATION Bozeman Airport 49 83 45 85 / 0 0 0 0 Bozeman MSU 51 78 47 82 / 0 0 0 0 $$ MTZ330-221000- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Mostly clear. Haze, haze. Highs 70 to 80. Lows 45 to 50. Northeast winds up to 10 mph. .FRIDAY...Sunny. Highs 70 to 80. North winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 40 to 50. Northeast winds 5 to 15 mph. .SATURDAY...Sunny. Highs 70 to 80. East winds up to 10 mph shifting to the north in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 45 to 50. Northeast winds 5 to 15 mph. .SUNDAY...Partly cloudy. Highs 70 to 80. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 65 to 75. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Lows 45 to 50. Chance of precipitation 50 percent. .THURSDAY...Mostly cloudy with a 50 percent chance of snow showers. Highs 60 to 70. && TEMPERATURE / PRECIPITATION West Yellowstone 40 81 38 82 / 0 0 0 0 $$ MTZ327-221000- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Partly cloudy. Haze. Haze after midnight. Highs 70 to 80. Lows 40 to 50. Northeast winds up to 10 mph. .FRIDAY...Sunny. Haze in the morning. Highs 70 to 80. Northeast winds up to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows 40 to 50. Northeast winds 5 to 15 mph. .SATURDAY...Sunny. Highs 75 to 85. East winds up to 10 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 45 to 50. North winds 5 to 10 mph shifting to the east after midnight. .SUNDAY...Partly cloudy. Highs 70 to 80. .SUNDAY NIGHT...Mostly cloudy. Lows 45 to 55. .MONDAY AND MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Highs 65 to 75. Lows 45 to 50. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 75. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of snow showers and rain showers. Lows 45 to 50. .THURSDAY...Mostly cloudy with a 50 percent chance of snow showers. Highs 65 to 75. $$ MTZ328-221000- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Partly cloudy. Haze. Highs 80 to 85. Lows 45 to 50. North winds up to 10 mph. .FRIDAY...Sunny. Haze in the morning. Highs 80 to 85. Northeast winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph. .SATURDAY...Sunny. Highs 80 to 90. Northeast winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows around 50. Northeast winds 5 to 15 mph. .SUNDAY...Partly cloudy. Highs 80 to 85. .SUNDAY NIGHT...Mostly cloudy. Lows 50 to 55. .MONDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of snow showers. Lows around 50. Chance of precipitation 40 percent. .THURSDAY...Mostly cloudy with a 50 percent chance of snow showers. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Dillon 47 82 45 86 / 0 0 0 0 $$ MTZ329-221000- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 157 AM MDT Thu Aug 21 2025 .REST OF TONIGHT...Mostly clear. Areas of smoke after midnight. Haze. Haze after midnight. Highs 70 to 80. Lows 45 to 50. North winds up to 10 mph. .FRIDAY...Sunny. Haze in the morning. Highs 70 to 80. North winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds 5 to 15 mph. .SATURDAY...Sunny. Highs 75 to 85. North winds up to 10 mph. .SATURDAY NIGHT...Partly cloudy. Lows 50 to 55. Northeast winds 5 to 15 mph. .SUNDAY...Partly cloudy. Highs 70 to 80. .SUNDAY NIGHT...Mostly cloudy. Lows 50 to 55. .MONDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 65 to 75. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of snow showers and rain showers. Lows 45 to 50. .THURSDAY...Mostly cloudy with a 50 percent chance of snow showers. Highs 65 to 70. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls