


Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
307 FPUS55 KTFX 292001 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 201 PM MDT Fri Aug 29 2025 Spot temperatures and probabilities of measurable precipitation are for tonight, Saturday, Saturday night, and Sunday. MTZ301-301000- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cooler. Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 45 to 50. Northeast winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny. Highs 65 to 75. West winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to 15 mph. .SUNDAY...Sunny. Highs 70 to 80. West winds 5 to 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. North winds up to 10 mph shifting to the southwest after midnight. .LABOR DAY...Sunny. Highs 70 to 80. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 50 to 55. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 65 to 75. Lows 50 to 55. .THURSDAY...Sunny. Highs 70 to 80. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. $$ MTZ307-301000- Southern Rocky Mountain Front- Including Rogers Pass 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 45 to 50. Northwest winds up to 10 mph. .SATURDAY...Sunny. Highs 65 to 75. West winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds up to 10 mph. .SUNDAY...Sunny. Highs 70 to 80. West winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northwest winds up to 10 mph. .LABOR DAY THROUGH TUESDAY...Mostly clear. Highs 70 to 80. Lows 50 to 55. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 45 to 55. Highs 65 to 75. .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 50. .THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 70 to 80. Lows around 50. $$ MTZ302-301000- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cooler. Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Patchy fog after midnight. Lows 45 to 50. North winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny. Highs 75 to 80. West winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to 15 mph. .SUNDAY...Sunny. Highs 80 to 85. West winds 5 to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows 50 to 55. North winds 5 to 10 mph shifting to the west after midnight. .LABOR DAY...Sunny. Highs around 85. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Sunny. Highs around 80. .WEDNESDAY NIGHT...Partly cloudy. Lows around 50. .THURSDAY...Sunny. Highs around 80. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs 80 to 85. $$ MTZ308-301000- Southern High Plains- Including Bynum, Choteau, and Pendroy 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Patchy fog after midnight. Lows around 50. North winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny. Highs 80 to 85. West winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to 10 mph. .SUNDAY...Sunny. Highs around 85. West winds 5 to 10 mph shifting to the north in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 55. Northeast winds up to 10 mph shifting to the west after midnight. .LABOR DAY...Sunny. Highs around 85. .MONDAY NIGHT...Partly cloudy. Lows around 55. .TUESDAY...Sunny. Highs 80 to 85. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs around 80. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 50 to 55. Highs 80 to 85. .FRIDAY...Partly cloudy. Highs around 85. $$ MTZ303-301000- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cooler. Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Patchy fog after midnight. Lows 45 to 50. Northeast winds up to 10 mph shifting to the west after midnight. .SATURDAY...Warmer. Partly cloudy in the morning then becoming sunny. Highs 80 to 85. West winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds 5 to 10 mph. .SUNDAY...Sunny. Highs around 85. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds 5 to 10 mph shifting to the west after midnight. .LABOR DAY...Sunny. Highs 85 to 90. .MONDAY NIGHT AND TUESDAY...Not as warm. Partly cloudy. Lows 50 to 55. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 80 to 85. Lows around 50. .FRIDAY...Partly cloudy. Highs around 85. && TEMPERATURE / PRECIPITATION Cut Bank 48 82 50 86 / 30 10 0 0 $$ MTZ304-301000- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cooler. Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Patchy fog after midnight. Lows around 50. Northeast winds up to 10 mph shifting to the north after midnight. .SATURDAY...Warmer. Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs 75 to 85. Southwest winds up to 5 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. South winds up to 10 mph. .SUNDAY...Sunny. Highs 85 to 90. Northwest winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows around 55. North winds up to 10 mph. .LABOR DAY...Sunny. Highs 85 to 90. .MONDAY NIGHT AND TUESDAY...Not as warm. Partly cloudy. Lows around 55. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Sunny. Highs 75 to 80. .WEDNESDAY NIGHT...Partly cloudy. Lows around 50. .THURSDAY...Sunny. Highs 80 to 85. .THURSDAY NIGHT...Partly cloudy. Lows 50 to 55. .FRIDAY...Sunny. Highs 80 to 85. $$ MTZ305-301000- Hill County- Including Havre 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Patchy fog after midnight. Lows in the mid 50s. Northeast winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Patchy fog in the morning. Mostly cloudy in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 75 to 80. Northeast winds up to 5 mph shifting to the south in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. Southeast winds up to 5 mph. .SUNDAY...Sunny. Highs around 85. West winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph. .LABOR DAY...Sunny. Highs around 85. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 55. Highs 75 to 80. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows 45 to 50. .WEDNESDAY...Sunny. Highs 75 to 80. .WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 50. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 80 to 85. Lows around 50. && TEMPERATURE / PRECIPITATION Havre 55 77 53 86 / 50 20 10 0 $$ MTZ306-301000- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 50s. Northeast winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Mostly cloudy. Patchy fog in the morning. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southeast winds up to 10 mph. Chance of precipitation 40 percent. .SATURDAY NIGHT...Mostly clear. Lows around 50. Southeast winds up to 10 mph. .SUNDAY...Sunny. Highs around 85. Southwest winds up to 5 mph shifting to the west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northwest winds up to 10 mph. .LABOR DAY...Sunny. Highs around 85. .MONDAY NIGHT...Mostly cloudy. Lows 50 to 55. .TUESDAY AND TUESDAY NIGHT...Not as warm. Partly cloudy. Highs around 75. Lows around 45. .WEDNESDAY...Sunny. Highs 70 to 75. .WEDNESDAY NIGHT...Partly cloudy. Lows around 45. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 75 to 80. Lows 45 to 50. $$ MTZ309-301000- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cooler. Mostly cloudy. A 50 percent chance of thunderstorms in the evening. Patchy fog through the night. Lows around 50. North winds up to 10 mph shifting to the northwest after midnight. .SATURDAY...Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs 80 to 85. West winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows around 50. West winds up to 10 mph. .SUNDAY...Sunny. Highs 85 to 90. West winds up to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds up to 10 mph shifting to the west after midnight. .LABOR DAY...Sunny. Highs around 90. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 50 to 55. Highs 80 to 85. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 80. Lows around 50. .THURSDAY...Partly cloudy. Highs around 85. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Partly cloudy. Highs around 85. $$ MTZ310-301000- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Patchy fog through the night. Lows in the mid 50s. North winds up to 10 mph shifting to the west after midnight. Chance of precipitation 50 percent. .SATURDAY...Warmer. Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs 80 to 85. Northwest winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs 85 to 90. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 55. Northeast winds up to 10 mph shifting to the south after midnight. .LABOR DAY...Sunny. Highs 85 to 90. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. Highs 80 to 85. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 80. Lows 50 to 55. .THURSDAY...Partly cloudy. Highs 80 to 85. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 50 to 55. Highs around 85. $$ MTZ311-301000- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Patchy fog through the night. Lows in the mid 50s. Northeast winds up to 5 mph shifting to the south after midnight. Chance of precipitation 50 percent. .SATURDAY...Patchy fog in the morning. Mostly cloudy with slight chance of rain showers in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 75 to 80. Northwest winds up to 10 mph. Chance of precipitation 30 percent. .SATURDAY NIGHT...Mostly clear. Lows 55 to 60. Southeast winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs 80 to 85. West winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 55 to 60. Northwest winds up to 10 mph shifting to the west after midnight. .LABOR DAY...Sunny. Highs 80 to 85. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 55 to 60. Highs 75 to 80. .TUESDAY NIGHT...Cooler. Partly cloudy. Lows 45 to 50. .WEDNESDAY...Sunny. Highs 70 to 75. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 50. Highs 75 to 80. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85. $$ MTZ312-301000- Cascade County below 5000ft- Including Great Falls 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cooler. Mostly cloudy. A 50 percent chance of thunderstorms in the evening. Patchy fog after midnight. Lows 50 to 55. North winds up to 10 mph shifting to the southwest after midnight. .SATURDAY...Partly cloudy in the morning then clearing. Highs 80 to 85. West winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. South winds 5 to 10 mph. .SUNDAY...Sunny. Highs 85 to 90. Southwest winds 5 to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds 5 to 10 mph shifting to the south after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 85 to 90. Lows around 55. .TUESDAY...Sunny. Highs 80 to 85. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 80 to 85. Lows 50 to 55. .FRIDAY...Partly cloudy. Highs 85 to 90. && TEMPERATURE / PRECIPITATION Great Falls Arpt 53 83 53 87 / 50 10 0 0 $$ MTZ313-301000- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cooler. Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows around 50. West winds up to 5 mph. Chance of thunderstorms 50 percent. .SATURDAY...Partly cloudy in the morning, then sunny with a 20 percent chance of thunderstorms in the afternoon. Highs 75 to 80. Northwest winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. South winds 5 to 10 mph. .SUNDAY...Sunny. Highs 80 to 85. Southwest winds 5 to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph shifting to the southwest after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 80 to 85. Lows around 55. .TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs around 80. Lows around 50. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs around 75. Lows around 50. .THURSDAY...Partly cloudy. Highs around 80. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Partly cloudy. Highs 80 to 85. $$ MTZ314-301000- Fergus County below 4500ft- Including Hilger and Lewistown 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 50s. West winds up to 5 mph. Chance of precipitation 50 percent. .SATURDAY...Patchy fog in the morning. Mostly cloudy with slight chance of rain showers in the morning, then partly cloudy with slight chance of thunderstorms in the afternoon. Highs 75 to 80. Northwest winds up to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows 55 to 60. Southeast winds up to 10 mph shifting to the south after midnight. .SUNDAY...Warmer, sunny. Highs 80 to 90. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 55 to 60. North winds up to 10 mph shifting to the southwest after midnight. .LABOR DAY...Sunny. Highs 80 to 90. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 55 to 60. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY...Sunny. Highs around 75. .WEDNESDAY NIGHT...Partly cloudy. Lows around 50. .THURSDAY THROUGH FRIDAY...Mostly clear. Highs 75 to 85. Lows 50 to 55. && TEMPERATURE / PRECIPITATION Lewistown 51 76 53 81 / 60 20 10 0 $$ MTZ315-301000- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 201 PM MDT Fri Aug 29 2025 .TONIGHT...Partly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 45 to 50. North winds up to 10 mph shifting to the west after midnight. Chance of precipitation 20 percent. .SATURDAY...Sunny. Highs 70 to 80. West winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds up to 10 mph. .SUNDAY...Sunny. Highs 75 to 85. West winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 50 to 55. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 70 to 80. Lows 50 to 55. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 80. $$ MTZ316-301000- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy with a 50 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 50 to 55. North winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny. Highs 75 to 80. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds up to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 80 to 85. Southwest winds up to 10 mph shifting to the west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 55 to 60. Northeast winds up to 10 mph shifting to the west after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 80 to 90. Lows 55 to 60. .TUESDAY THROUGH THURSDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 50 to 55. .FRIDAY...Partly cloudy. Highs 80 to 85. $$ MTZ317-301000- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cooler. Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 45 to 50. West winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy in the morning then clearing. Highs 65 to 75. West winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds up to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 70 to 80. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph shifting to the south after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 50 to 55. .TUESDAY...Sunny. Highs 70 to 80. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 45 to 55. Highs 65 to 75. .WEDNESDAY NIGHT...Mostly clear. Lows 45 to 55. .THURSDAY...Partly cloudy. Highs 70 to 75. .THURSDAY NIGHT...Mostly clear. Lows 45 to 55. .FRIDAY...Partly cloudy. Highs 70 to 80. $$ MTZ318-301000- Snowy and Judith Mountains- 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Patchy fog through the night. Lows around 50. West winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY...Partly cloudy. Slight chance of rain showers in the morning, then slight chance of thunderstorms in the afternoon. Highs 65 to 75. Northwest winds up to 10 mph. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. Southwest winds up to 10 mph. .SUNDAY...Sunny. Highs 75 to 80. Southwest winds 5 to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds 5 to 10 mph shifting to the southwest after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 75 to 80. Lows 50 to 55. .TUESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Sunny. Highs 65 to 70. .WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 50. .THURSDAY...Sunny. Highs 70 to 75. .THURSDAY NIGHT...Partly cloudy. Lows 45 to 50. .FRIDAY...Sunny. Highs 70 to 75. $$ MTZ319-301000- Helena Valley- Including Helena 201 PM MDT Fri Aug 29 2025 .TONIGHT...Partly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 50. Northwest winds up to 10 mph shifting to the west after midnight. Chance of precipitation 40 percent. .SATURDAY...Sunny. Highs 80 to 85. Southeast winds up to 5 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. West winds up to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs around 85. South winds up to 5 mph shifting to the north in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 5 mph shifting to the southwest after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 85 to 90. Lows around 55. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs around 85. && TEMPERATURE / PRECIPITATION Helena 53 84 54 87 / 30 10 0 0 $$ MTZ320-301000- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. North winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny. Highs 65 to 75. West winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. Northwest winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs 70 to 80. South winds up to 10 mph shifting to the west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph shifting to the east after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 50 to 55. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 50 to 55. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Highs 65 to 75. Lows around 50. .THURSDAY...Sunny. Highs 70 to 80. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. $$ MTZ321-301000- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 201 PM MDT Fri Aug 29 2025 .TONIGHT...Cooler. Mostly cloudy. A 50 percent chance of thunderstorms in the evening. Patchy fog after midnight. Lows 45 to 50. Northwest winds up to 10 mph shifting to the southwest after midnight. .SATURDAY...Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the mid 70s. West winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. Northwest winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs around 80. South winds up to 5 mph shifting to the west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50. North winds up to 10 mph shifting to the east after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 80 to 85. Lows around 50. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs around 80. Lows 45 to 50. .WEDNESDAY...Partly cloudy. Highs 75 to 80. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows 45 to 50. Highs 75 to 80. .FRIDAY...Partly cloudy. Highs 75 to 80. $$ MTZ322-301000- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 201 PM MDT Fri Aug 29 2025 .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 45 to 55. Northwest winds up to 10 mph. .SATURDAY...Sunny. Highs 65 to 75. Northwest winds up to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 55. West winds up to 10 mph. .SUNDAY...Sunny. Highs 70 to 80. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds up to 10 mph shifting to the northwest after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 75 to 85. Lows 50 to 55. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 70 to 80. Lows 45 to 55. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. $$ MTZ323-301000- Canyon Ferry Area- Including Toston, Townsend, and Winston 201 PM MDT Fri Aug 29 2025 .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 50 to 55. Northwest winds up to 10 mph. .SATURDAY...Sunny. Highs 75 to 80. South winds up to 5 mph shifting to the north in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. North winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs 80 to 85. South winds up to 10 mph shifting to the southwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds up to 5 mph. .LABOR DAY THROUGH THURSDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs 80 to 85. $$ MTZ324-301000- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 201 PM MDT Fri Aug 29 2025 .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 50. North winds up to 10 mph shifting to the west after midnight. .SATURDAY...Sunny. Highs around 80. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. Northwest winds up to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 80 to 85. Southwest winds up to 5 mph. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. East winds up to 5 mph shifting to the west after midnight. .LABOR DAY THROUGH WEDNESDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 50. Highs 80 to 85. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 55. Highs 80 to 85. $$ MTZ325-301000- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 45 to 50. North winds up to 10 mph shifting to the southwest after midnight. .SATURDAY...Sunny. Highs 75 to 80. South winds up to 10 mph shifting to the north in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 45 to 55. South winds up to 10 mph. .SUNDAY...Sunny. Highs 80 to 85. South winds up to 10 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 45 to 55. Northeast winds 5 to 10 mph shifting to the southeast after midnight. .LABOR DAY THROUGH TUESDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows 45 to 55. Highs 75 to 80. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 50. Highs 80 to 85. $$ MTZ326-301000- Gallatin Valley- Including Bozeman and Gallatin Gateway 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. Northwest winds up to 10 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs 75 to 80. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 50 to 55. East winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs 80 to 85. South winds up to 5 mph shifting to the northwest in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 50 to 55. Northeast winds 5 to 10 mph shifting to the southeast after midnight. .LABOR DAY THROUGH TUESDAY...Mostly clear. Highs 80 to 85. Lows 50 to 55. .TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows around 50. Highs 80 to 85. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 50. Highs 80 to 85. && TEMPERATURE / PRECIPITATION Bozeman Airport 49 81 49 84 / 20 10 0 0 Bozeman MSU 50 77 52 81 / 20 10 0 0 $$ MTZ330-301000- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 201 PM MDT Fri Aug 29 2025 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 40 to 50. Northwest winds up to 10 mph. .SATURDAY...Sunny. Highs 60 to 70. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. North winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs 65 to 75. South winds up to 10 mph shifting to the west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50. North winds up to 10 mph shifting to the southeast after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 45 to 50. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs 65 to 75. Lows 45 to 50. .THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 65 to 75. Lows 45 to 50. && TEMPERATURE / PRECIPITATION West Yellowstone 37 74 36 76 / 10 10 0 0 $$ MTZ327-301000- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 201 PM MDT Fri Aug 29 2025 .TONIGHT...Partly cloudy. Lows 40 to 45. Northwest winds up to 10 mph. .SATURDAY...Sunny. Highs 65 to 75. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 40 to 50. Northwest winds up to 10 mph shifting to the southeast after midnight. .SUNDAY...Sunny. Highs 70 to 80. Southwest winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds up to 10 mph shifting to the east after midnight. .LABOR DAY THROUGH TUESDAY...Mostly clear. Highs 70 to 80. Lows 45 to 50. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows 40 to 50. Highs 65 to 75. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 65 to 75. Lows 45 to 50. .FRIDAY...Partly cloudy. Highs 70 to 80. $$ MTZ328-301000- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 201 PM MDT Fri Aug 29 2025 .TONIGHT...Partly cloudy. Lows 45 to 50. Northwest winds 5 to 10 mph shifting to the west after midnight. .SATURDAY...Sunny. Highs 75 to 80. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. North winds up to 10 mph shifting to the southwest after midnight. .SUNDAY...Sunny. Highs 75 to 85. Southwest winds up to 10 mph. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50. East winds up to 10 mph shifting to the southeast after midnight. .LABOR DAY AND MONDAY NIGHT...Mostly clear. Highs 80 to 85. Lows around 50. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs 75 to 85. Lows 45 to 50. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 45 to 50. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Dillon 45 77 45 81 / 10 0 0 0 $$ MTZ329-301000- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 201 PM MDT Fri Aug 29 2025 .TONIGHT...Partly cloudy. Lows 45 to 50. Northwest winds up to 10 mph. .SATURDAY...Sunny. Highs 65 to 75. Northwest winds 5 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows 45 to 50. Northwest winds up to 10 mph shifting to the south after midnight. .SUNDAY...Sunny. Highs 70 to 75. South winds up to 5 mph shifting to the west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50. Northeast winds up to 10 mph shifting to the southeast after midnight. .LABOR DAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 70 to 80. Lows 45 to 50. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 65 to 75. Lows 45 to 50. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 45 to 50. Highs 70 to 75. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls