FPUS55 KTFX 232237 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 436 PM MDT Sun Aug 23 2026 Spot temperatures and probabilities of measurable precipitation are for tonight, Monday, Monday night, and Tuesday. MTZ301-241000- East Glacier Park Region- Including the cities of East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 436 PM MDT Sun Aug 23 2026 .TONIGHT...Windy. Mostly clear. Patchy smoke after midnight. Lows in the upper 40s. West winds 15 to 30 mph with gusts to around 55 mph shifting to the southwest 15 to 20 mph with gusts to around 45 mph after midnight. .MONDAY...Sunny. Highs 62 to 72. West winds 5 to 10 mph. Gusts up to 30 mph in the morning. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast winds up to 10 mph shifting to the east after midnight. .TUESDAY...Sunny. Highs 67 to 77. Southeast winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast winds up to 10 mph. .WEDNESDAY...Mostly sunny. A 30 percent chance of rain showers in the afternoon. Highs 72 to 82. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 68 to 78. Lows 47 to 53. .FRIDAY THROUGH SATURDAY NIGHT...Mostly clear. Highs 58 to 72. Lows in the mid 40s. .SUNDAY...Sunny. Highs 56 to 64. $$ MTZ307-241000- Southern Rocky Mountain Front- Including the city of Rogers Pass 436 PM MDT Sun Aug 23 2026 .TONIGHT...Colder. Mostly clear. Patchy smoke early in the evening. Lows 43 to 49. West winds 15 to 20 mph with gusts to around 50 mph decreasing to 5 to 15 mph with gusts to around 40 mph after midnight. .MONDAY...Sunny. Highs 65 to 75. West winds up to 10 mph with gusts to around 25 mph. .MONDAY NIGHT...Mostly clear. Lows 44 to 50. Northeast winds up to 10 mph. Gusts up to 20 mph after midnight. .TUESDAY...Sunny. Highs 68 to 78. East winds up to 10 mph. .TUESDAY NIGHT...Mostly clear in the evening then becoming mostly cloudy. Lows 48 to 54. East winds up to 10 mph shifting to the northwest after midnight. .WEDNESDAY...Mostly sunny. A 40 percent chance of rain showers in the afternoon. Highs 72 to 82. .WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows 50 to 56. .THURSDAY...Sunny. Highs 70 to 80. .THURSDAY NIGHT...Partly cloudy. Lows 47 to 53. .FRIDAY...Sunny. Highs 66 to 76. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 45 to 51. .SATURDAY...Sunny. Highs 62 to 72. .SATURDAY NIGHT...Mostly clear. A 20 percent chance of rain showers after midnight. Lows 41 to 47. .SUNDAY...Sunny. Highs 58 to 68. $$ MTZ302-241000- Northern High Plains- Including the cities of Browning, Heart Butte, and Dupuyer 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke after midnight. Lows in the lower 50s. West winds 15 to 20 mph with gusts to around 45 mph decreasing to 5 to 15 mph with gusts to around 35 mph after midnight. .MONDAY...Sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph with gusts to around 25 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. Northeast winds up to 10 mph shifting to the west after midnight. .TUESDAY...Sunny. Highs in the upper 70s. South winds up to 5 mph increasing to southeast 10 to 15 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast winds up to 15 mph. .WEDNESDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the mid 80s. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Highs in the lower 80s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs 73 to 80. Lows in the upper 40s. .SATURDAY NIGHT...Mostly clear. A 20 percent chance of rain showers after midnight. Lows in the mid 40s. .SUNDAY...Sunny. Highs in the upper 60s. $$ MTZ308-241000- Southern High Plains- Including the cities of Bynum, Choteau, and Pendroy 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke early in the evening. Lows in the lower 50s. West winds 10 to 15 mph with gusts to around 40 mph shifting to the southwest with gusts to around 30 mph after midnight. .MONDAY...Sunny. Highs in the upper 70s. West winds up to 10 mph shifting to the north in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast winds up to 10 mph shifting to the northwest after midnight. .TUESDAY...Sunny. Highs around 80. Northwest winds up to 5 mph shifting to the east in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. East winds 5 to 10 mph shifting to the west after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 80s. .WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. .THURSDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. .FRIDAY...Sunny. Highs in the lower 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 70s. $$ MTZ303-241000- Eastern Glacier, Western Toole, and Central Pondera- Including the cities of Cut Bank, Ethridge, and Santa Rita 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the lower 50s. West winds 15 to 20 mph with gusts to around 40 mph decreasing to 5 to 15 mph after midnight. .MONDAY...Sunny. Highs in the mid 70s. Northwest winds 5 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. North winds up to 10 mph. .TUESDAY...Sunny. Highs in the upper 70s. Northwest winds up to 5 mph shifting to the southeast 5 to 15 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast winds up to 15 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the mid 80s. Lows in the mid 50s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers. Highs in the mid 80s. Lows in the lower 50s. .FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs around 80. Lows in the lower 50s. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 70s. && TEMPERATURE / PRECIPITATION Cut Bank 50 77 48 79 / 0 0 0 0 $$ MTZ304-241000- Eastern Toole and Liberty- Including the cities of Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 436 PM MDT Sun Aug 23 2026 .TONIGHT...Breezy. Mostly clear. Patchy smoke early in the evening. Lows in the mid 50s. West winds 10 to 25 mph with gusts to around 40 mph decreasing to 10 to 15 mph with gusts to around 30 mph after midnight. .MONDAY...Sunny. Highs 75 to 81. Northwest winds 5 to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds up to 10 mph. Gusts up to 25 mph in the evening. .TUESDAY...Sunny. Highs around 80. North winds up to 5 mph shifting to the east in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds 5 to 10 mph. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 84 to 92. Lows in the upper 50s. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs 75 to 82. Lows inthe lower 50s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 30 percent chance of rain showers. Lows around 50. .SUNDAY...Sunny with a 20 percent chance of rain showers. Highs in the lower 70s. $$ MTZ305-241000- Hill County- Including the city of Havre 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the mid 50s. West winds 10 to 15 mph with gusts to around 30 mph. .MONDAY...Breezy, sunny. Highs around 80. West winds 10 to 15 mph shifting to the northwest 15 to 25 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest winds up to 15 mph. Gusts up to 30 mph in the evening. .TUESDAY...Sunny. Highs in the lower 80s. North winds up to 5 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs around 90. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the upper 50s. .FRIDAY...Sunny. Highs in the mid 80s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. .SATURDAY NIGHT...Mostly cloudy with chance of rain showers in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows around 50. Chance of showers 30 percent. .SUNDAY...Mostly sunny with a 20 percent chance of rain showers. Highs in the mid 70s. && TEMPERATURE / PRECIPITATION Havre 55 82 51 84 / 10 0 0 0 $$ MTZ306-241000- Northern Blaine County- Including the cities of Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms early in the evening. Some thunderstorms may be severe. Lows in the mid 50s. West winds 10 to 15 mph with gusts to around 30 mph. .MONDAY...Windy. Not as warm. Sunny. Highs around 80. West winds 10 to 25 mph shifting to the northwest 20 to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest winds 10 to 20 mph with gusts to around 35 mph decreasing to 5 to 10 mph after midnight. .TUESDAY...Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds 5 to 10 mph shifting to the east after midnight. .WEDNESDAY...Sunny. Highs in the upper 80s. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the upper 50s. Highs around 90. .THURSDAY NIGHT...Partly cloudy with slight chance of thunderstorms in the evening, then mostly cloudy with slight chance of rain showers after midnight. Lows in the upper 50s. Chance of precipitation 20 percent. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs in the mid 80s. Lows in the mid 50s. .SATURDAY NIGHT...Mostly cloudy with chance of rain showers in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows around 50. Chance of showers 30 percent. .SUNDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the mid 70s. $$ MTZ309-241000- Eastern Pondera and Eastern Teton- Including the cities of Brady, Conrad, and Ledger 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the lower 50s. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY...Sunny. Highs around 80. Northwest winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds up to 10 mph. .TUESDAY...Sunny. Highs in the lower 80s. North winds up to 5 mph shifting to the east in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds up to 10 mph. .WEDNESDAY...Mostly sunny. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows in the mid 50s. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers. Highs in the lower 90s. Lows in the mid 50s. .FRIDAY...Sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Sunny. Highs around 80. .SATURDAY NIGHT...Mostly cloudy with chance of rain showers in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows in the upper 40s. Chance of showers 30 percent. .SUNDAY...Sunny. A 20 percent chance of rain showers in the morning. Highs in the mid 70s. $$ MTZ310-241000- Western and Central Chouteau County- Including the cities of Floweree, Carter, and Fort Benton 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the mid 50s. West winds 5 to 15 mph. .MONDAY...Sunny. Highs in the lower 80s. West winds 5 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds up to 10 mph. .TUESDAY...Sunny. Highs in the lower 80s. North winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Highs around 90. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows in the upper 50s. .THURSDAY...Mostly sunny. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 50s. .FRIDAY...Sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SATURDAY...Sunny. Highs in the lower 80s. .SATURDAY NIGHT...Mostly cloudy with chance of rain showers in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows in the lower 50s. Chance of showers 30 percent. .SUNDAY...Sunny with a 20 percent chance of rain showers. Highs in the mid 70s. $$ MTZ311-241000- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Mostly clear. A 20 percent chance of thunderstorms early in the evening. Some thunderstorms may be severe. Lows in the upper 50s. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY...Sunny. Highs 76 to 82. West winds 10 to 20 mph with gusts to around 35 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest winds 5 to 15 mph with gusts to around 30 mph decreasing to up to 5 mph with gusts to around 20 mph after midnight. .TUESDAY...Sunny. Highs 77 to 83. Northwest winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast winds up to 10 mph shifting to the east with gusts to around 25 mph after midnight. .WEDNESDAY...Sunny. Highs 84 to 90. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows in the lower 60s. Highs 86 to 92. .THURSDAY NIGHT...Partly cloudy with slight chance of thunderstorms in the evening, then mostly cloudy with slight chance of rain showers after midnight. Lows around 60. Chance of precipitation 20 percent. .FRIDAY...Sunny. Highs 81 to 87. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 50s. .SATURDAY...Mostly sunny. Highs 78 to 84. .SATURDAY NIGHT...Mostly cloudy with chance of rain showers in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows in the mid 50s. Chance of showers 30 percent. .SUNDAY...Mostly sunny with a 20 percent chance of rain showers. Highs 72 to 78. $$ MTZ312-241000- Cascade County below 5000ft- Including the city of Great Falls 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke late in the evening. Lows in the mid 50s. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY...Sunny. Highs around 80. West winds 5 to 10 mph shifting to the northwest in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast winds up to 10 mph. .TUESDAY...Sunny. Highs in the lower 80s. Northeast winds up to 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds up to 15 mph. .WEDNESDAY...Mostly sunny. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows in the upper 50s. .THURSDAY...Mostly sunny. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 50s. .FRIDAY...Sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SATURDAY...Sunny. Highs in the lower 80s. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. .SUNDAY...Sunny. A 20 percent chance of rain showers in the morning. Highs in the mid 70s. && TEMPERATURE / PRECIPITATION Great Falls Arpt 54 81 53 83 / 0 0 0 0 $$ MTZ313-241000- Judith Basin County and Judith Gap- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Mostly clear. A 20 percent chance of thunderstorms early in the evening. Some thunderstorms may be severe. Lows in the lower 50s. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY...Not as warm. Sunny. Highs in the upper 70s. Northwest winds 5 to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds 5 to 10 mph with gusts to around 25 mph shifting to the west after midnight. .TUESDAY...Sunny. Highs in the lower 80s. Southwest winds up to 5 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. East winds 5 to 10 mph shifting to the south after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain showers. Lows in the upper 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 80s. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. .FRIDAY...Sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SATURDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. .SUNDAY...Sunny. Highs in the mid 70s. $$ MTZ314-241000- Fergus County below 4500ft- Including the cities of Hilger and Lewistown 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Cooler. Partly cloudy. A 20 percent chance of thunderstorms early in the evening. Some thunderstorms may be severe. Lows 55 to 61. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY...Not as warm. Sunny. Highs in the lower 80s. West winds 10 to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Mostly clear. Lows 51 to 57. Northwest winds 5 to 15 mph shifting to the west up to 5 mph after midnight. .TUESDAY...Sunny. Highs in the lower 80s. West winds up to 5 mph shifting to the north in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northeast winds 5 to 10 mph shifting to the southeast after midnight. .WEDNESDAY...Mostly sunny. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows around 60. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 90s. .THURSDAY NIGHT...Partly cloudy. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Lows 58 to 64. Chance of showers 30 percent. .FRIDAY...Mostly sunny. Highs in the upper 80s. .FRIDAY NIGHT...Partly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 55 to 61. Chance of precipitation 20 percent. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers. Highs in the mid 80s. Lows 51 to 57. .SUNDAY...Sunny. Highs in the upper 70s. && TEMPERATURE / PRECIPITATION Lewistown 52 79 48 82 / 30 0 0 0 $$ MTZ315-241000- Upper Blackfoot and MacDonald Pass- Including the cities of Marysville, Lincoln, Flesher Pass, and MacDonald Pass 436 PM MDT Sun Aug 23 2026 .TONIGHT...Colder. Mostly clear. Patchy smoke until early morning. Lows 44 to 52. West winds 5 to 15 mph with gusts to around 35 mph. .MONDAY...Sunny. Patchy smoke. Highs 70 to 78. West winds up to 10 mph. .MONDAY NIGHT...Mostly clear. Patchy smoke in the evening. Lows 46 to 54. North winds up to 10 mph. .TUESDAY...Sunny. A 20 percent chance of rain showers in the afternoon. Highs 72 to 82. Northeast winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows 50 to 58. North winds up to 10 mph. .WEDNESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 75 to 85. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. A 30 percent chance of rain showers in the evening. Lows 50 to 58. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 75 to 83. .THURSDAY NIGHT...Partly cloudy. Lows 48 to 56. .FRIDAY...Sunny. Highs 71 to 81. .FRIDAY NIGHT...Partly cloudy. Lows 46 to 54. .SATURDAY...Sunny. Highs 68 to 76. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 43 to 51. .SUNDAY...Sunny. Highs 64 to 72. $$ MTZ316-241000- Gates of the Mountains- Including the cities of Canyon Creek, Wolf Creek, and Craig 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke in the late evening and early morning. Lows in the lower 50s. West winds 10 to 15 mph shifting to the southwest after midnight. Gusts up to 30 mph. .MONDAY...Sunny. Patchy smoke in the afternoon. Highs 75 to 83. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds up to 10 mph. .TUESDAY...Sunny. Highs 77 to 85. North winds up to 5 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. Northeast winds up to 10 mph shifting to the northwest after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs 82 to 90. .WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 50s. .THURSDAY...Mostly sunny. Highs 82 to 90. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. .FRIDAY...Sunny. Highs 78 to 86. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SATURDAY...Sunny. Highs 74 to 82. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. .SUNDAY...Sunny. Highs 70 to 76. $$ MTZ317-241000- Little Belt and Highwood Mountains- Including the cities of Monarch, Neihart, and Kings Hill Pass 436 PM MDT Sun Aug 23 2026 .TONIGHT...Cooler. Mostly clear. A 20 percent chance of thunderstorms early in the evening. Patchy smoke in the late evening and early morning. Some thunderstorms may be severe. Lows 48 to 54. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY...Sunny. Highs 68 to 76. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Partly cloudy. Lows 46 to 52. North winds up to 10 mph with gusts to around 25 mph shifting to the east after midnight. .TUESDAY...Sunny. Highs 72 to 78. Southeast winds up to 5 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 50 to 56. East winds up to 10 mph shifting to the southeast after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 75 to 83. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows 52 to 60. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 76 to 84. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 51 to 59. .FRIDAY...Sunny. Highs 72 to 80. .FRIDAY NIGHT...Partly cloudy. Lows 50 to 56. .SATURDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 69 to 77. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 46 to 52. .SUNDAY...Sunny. A 20 percent chance of rain showers in the afternoon. Highs 64 to 72. $$ MTZ318-241000- Snowy and Judith Mountains- 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 40 percent chance of thunderstorms early in the evening. Some thunderstorms may be severe. Lows in the mid 50s. West winds 5 to 15 mph with gusts to around 30 mph. .MONDAY...Sunny. Highs 70 to 78. Northwest winds 5 to 15 mph with gusts to around 30 mph. .MONDAY NIGHT...Partly cloudy. Lows around 50. Northwest winds up to 10 mph. Gusts up to 30 mph in the evening. .TUESDAY...Sunny. Highs 72 to 78. West winds up to 5 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. East winds 5 to 10 mph shifting to the southeast after midnight. .WEDNESDAY...Mostly sunny. Highs 76 to 84. .WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows 54 to 60. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 79 to 87. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 54 to 60. Chance of precipitation 40 percent. .FRIDAY...Mostly sunny. A 20 percent chance of rain showers in the morning. Highs 75 to 83. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. A 20 percent chance of thunderstorms. Lows in the mid 50s. Highs 72 to 80. .SATURDAY NIGHT...Partly cloudy. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Lows in the lower 50s. Chance of showers 30 percent. .SUNDAY...Sunny. A 20 percent chance of rain showers in the afternoon. Highs 67 to 73. $$ MTZ319-241000- Helena Valley- Including the city of Helena 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke in the late evening and overnight. Lows around 50. Northwest winds 5 to 15 mph shifting to the west up to 5 mph after midnight. .MONDAY...Sunny. Patchy smoke. Highs in the lower 80s. West winds up to 5 mph. .MONDAY NIGHT...Partly cloudy. Patchy smoke in the evening. Lows in the lower 50s. Northwest winds up to 10 mph. .TUESDAY...Sunny. Highs in the mid 80s. Light winds becoming northeast up to 5 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows in the mid 50s. East winds up to 5 mph shifting to the west after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 80s. .WEDNESDAY NIGHT...Mostly cloudy. A 40 percent chance of rain showers in the evening. Lows in the mid 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 80s. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. .FRIDAY...Sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Sunny. Highs in the lower 80s. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the upper 70s. && TEMPERATURE / PRECIPITATION Helena 50 84 52 85 / 0 0 0 0 $$ MTZ320-241000- Big Belt, Bridger and Castle Mountains- Including the cities of Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Mostly clear. A 20 percent chance of thunderstorms early in the evening. Patchy smoke in the late evening and overnight. Some thunderstorms may be severe. Lows in the lower 50s. Northwest winds up to 10 mph. Gusts up to 35 mph in the evening. .MONDAY...Sunny. Patchy smoke. Highs 69 to 79. West winds up to 10 mph with gusts to around 30 mph. .MONDAY NIGHT...Partly cloudy. Patchy smoke in the evening. Lows in the lower 50s. North winds up to 10 mph shifting to the east after midnight. Gusts up to 25 mph. .TUESDAY...Sunny. Highs 71 to 81. East winds up to 5 mph shifting to the west in the afternoon. Gusts up to 20 mph. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows in the lower 50s. East winds up to 10 mph. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 73 to 83. .WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 50s. .THURSDAY...Mostly sunny. Highs 74 to 84. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows in the mid 50s. .FRIDAY...Sunny. Highs 71 to 81. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 50s. .SATURDAY...Sunny. Highs 69 to 79. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 40s. .SUNDAY...Sunny. Highs 64 to 74. $$ MTZ321-241000- Meagher County Valleys- Including the cities of Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke after midnight. Lows 45 to 51. Northwest winds up to 10 mph. Gusts up to 35 mph in the evening. .MONDAY...Sunny. Patchy smoke. Highs in the upper 70s. West winds up to 10 mph with gusts to around 30 mph. .MONDAY NIGHT...Partly cloudy. Lows in the upper 40s. North winds up to 10 mph with gusts to around 25 mph shifting to the east after midnight. .TUESDAY...Sunny. Highs around 80. Southeast winds up to 10 mph. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows around 50. East winds up to 10 mph. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. .THURSDAY...Mostly sunny. Highs in the mid 80s. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. .FRIDAY...Sunny. Highs in the lower 80s. .FRIDAY NIGHT...Partly cloudy. Lows around 50. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 70s. $$ MTZ322-241000- Elkhorn and Boulder Mountains- Including the cities of Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke in the late evening and overnight. Lows 44 to 52. West winds up to 15 mph. Gusts up to 30 mph in the evening. .MONDAY...Sunny. Patchy smoke through the day. Highs 71 to 79. West winds up to 10 mph. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy smoke in the evening. Lows 47 to 55. Northwest winds up to 10 mph. .TUESDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs 72 to 80. Northeast winds up to 5 mph shifting to the east in the afternoon. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows 49 to 57. Northeast winds up to 10 mph shifting to the southwest after midnight. .WEDNESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 75 to 83. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy. A 40 percent chance of rain showers in the evening. Lows 49 to 57. .THURSDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 74 to 82. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 48 to 56. .FRIDAY...Sunny. Highs 71 to 81. .FRIDAY NIGHT...Partly cloudy. Lows 46 to 54. .SATURDAY...Sunny. A 20 percent chance of rain showers in the afternoon. Highs 68 to 78. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 43 to 51. .SUNDAY...Sunny. Highs 65 to 73. $$ MTZ323-241000- Canyon Ferry Area- Including the cities of Toston, Townsend, and Winston 436 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke in the late evening and overnight. Lows in the lower 50s. Northwest winds 5 to 15 mph decreasing to up to 5 mph after midnight. .MONDAY...Sunny. Patchy smoke. Highs around 80. North winds up to 10 mph. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy smoke in the evening. Lows in the lower 50s. North winds up to 10 mph. .TUESDAY...Sunny. Highs in the lower 80s. North winds up to 5 mph. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows in the mid 50s. Northeast winds up to 5 mph shifting to the east after midnight. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. .WEDNESDAY NIGHT...Mostly cloudy. A 40 percent chance of rain showers in the evening. Lows in the mid 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows in the mid 50s. .FRIDAY...Sunny. Highs in the lower 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SATURDAY...Sunny. Highs around 80. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. .SUNDAY...Sunny. Highs in the mid 70s. $$ MTZ324-241000- Missouri Headwaters- Including the cities of Harrison, Three Forks, Willow Creek, Pony, and Whitehall 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Mostly clear. Patchy smoke in the late evening and overnight. Lows around 50. Northwest winds up to 10 mph. Gusts up to 30 mph in the evening. .MONDAY...Sunny. Patchy smoke through the day. Highs in the lower 80s. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy smoke in the evening. Lows in the lower 50s. North winds up to 5 mph. Gusts up to 20 mph in the evening. .TUESDAY...Sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 80s. Northeast winds up to 5 mph. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows in the mid 50s. Northeast winds up to 5 mph shifting to the southwest after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the mid 80s. .WEDNESDAY NIGHT...Mostly cloudy. A 40 percent chance of rain showers in the evening. Lows in the mid 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows in the lower 50s. .FRIDAY...Mostly sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. .SATURDAY...Sunny. Highs in the lower 80s. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the upper 70s. $$ MTZ325-241000- Madison River Valley- Including the cities of Cameron, Ennis, Jeffers, McAllister, and Norris 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. Patchy smoke after midnight. Lows 46 to 52. Southwest winds 10 to 15 mph with gusts to around 30 mph becoming south up to 5 mph after midnight. .MONDAY...Sunny. Patchy smoke in the morning. Highs in the lower 80s. South winds up to 5 mph shifting to the west in the afternoon. .MONDAY NIGHT...Mostly cloudy. Patchy smoke in the evening. Lows 48 to 54. Northwest winds up to 10 mph shifting to the south after midnight. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows 49 to 55. Northeast winds up to 5 mph shifting to the south after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s. .WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows 49 to 55. .THURSDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows 48 to 54. .FRIDAY...Mostly sunny. Highs in the lower 80s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 44 to 53. Highs around 80. .SUNDAY...Sunny. Highs in the upper 70s. $$ MTZ326-241000- Gallatin Valley- Including the cities of Bozeman and Gallatin Gateway 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. Patchy smoke after midnight. Lows around 50. West winds up to 10 mph. Gusts up to 25 mph in the evening. .MONDAY...Sunny. Patchy smoke through the day. Highs in the lower 80s. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .MONDAY NIGHT...Mostly cloudy. Patchy smoke in the evening. Lows in the lower 50s. Northeast winds up to 10 mph shifting to the southeast after midnight. .TUESDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. East winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows in the lower 50s. Southeast winds up to 10 mph. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s. .WEDNESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the lower 50s. .FRIDAY...Mostly sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. .SATURDAY...Sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 80s. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the upper 70s. && TEMPERATURE / PRECIPITATION Bozeman Airport 48 82 49 84 / 10 0 0 20 Bozeman MSU 49 81 50 83 / 20 0 0 20 $$ MTZ330-241000- Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms early in the evening. Patchy smoke after midnight. Lows 44 to 50. Southwest winds 5 to 15 mph with gusts to around 35 mph shifting to the west up to 5 mph after midnight. .MONDAY...Sunny. Patchy smoke in the morning. A 20 percent chance of thunderstorms in the afternoon. Highs 67 to 77. Southwest winds up to 5 mph with gusts to around 20 mph shifting to the west 5 to 15 mph with gusts to around 30 mph in the afternoon. .MONDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 46 to 52. Southwest winds up to 10 mph shifting to the southeast after midnight. .TUESDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 68 to 78. South winds up to 5 mph shifting to the west in the afternoon. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers in the evening, then mostly cloudy after midnight. Lows 46 to 54. North winds up to 10 mph shifting to the southeast after midnight. .WEDNESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 69 to 79. .WEDNESDAY NIGHT...Mostly cloudy. A 40 percent chance of rain showers in the evening. Lows 47 to 53. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 69 to 79. .THURSDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows 46 to 52. .FRIDAY...Mostly sunny. Highs 67 to 77. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 44 to 52. .SATURDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 65 to 75..SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows 42 to 48. .SUNDAY...Mostly sunny. Highs 62 to 72. && TEMPERATURE / PRECIPITATION West Yellowstone 39 79 41 79 / 20 0 20 20 $$ MTZ327-241000- Northwest Beaverhead County- Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 436 PM MDT Sun Aug 23 2026 .TONIGHT...Colder. Mostly clear. Patchy smoke in the late evening and overnight. Lows 38 to 48. West winds 5 to 15 mph with gusts to around 35 mph decreasing to up to 5 mph after midnight. .MONDAY...Sunny. Patchy smoke in the morning. Highs 69 to 79. West winds up to 10 mph. Gusts up to 25 mph in the afternoon. .MONDAY NIGHT...Mostly cloudy. Lows 43 to 53. North winds up to 10 mph shifting to the southeast after midnight. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 71 to 81. South winds up to 5 mph shifting to the west in the afternoon. .TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows 45 to 53. Northwest winds up to 10 mph shifting to the southeast after midnight. .WEDNESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 71 to 81. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 43 to 53. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 71 to 81. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 41 to 51. .FRIDAY...Sunny. Highs 69 to 79. .FRIDAY NIGHT...Partly cloudy. Lows 39 to 49. .SATURDAY...Sunny. Highs 66 to 76. .SATURDAY NIGHT...Partly cloudy. Lows 36 to 46. .SUNDAY...Sunny. Highs 63 to 73. $$ MTZ328-241000- Beaverhead and Western Madison below 6000ft- Including the cities of Bannack, Dillon, Glen, and Waterloo 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. Patchy smoke in the late evening and overnight. Lows in the upper 40s. West winds 10 to 15 mph with gusts to around 35 mph decreasing to up to 10 mph after midnight. .MONDAY...Sunny. Patchy smoke in the morning. Highs 79 to 85. Southwest winds up to 5 mph shifting to the west with gusts to around 25 mph in the afternoon. .MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. North winds 5 to 10 mph shifting to the south after midnight. .TUESDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 79 to 85. South winds up to 5 mph shifting to the west in the afternoon. .TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the lower 50s. Northeast winds up to 10 mph shifting to the south after midnight. .WEDNESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 80 to 86. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 80 to 86. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows in the lower 50s. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 79 to 85. Lows in the upper 40s. .SATURDAY...Sunny. A 20 percent chance of rain showers in the afternoon. Highs 76 to 82. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 40s. .SUNDAY...Sunny. Highs 73 to 79. &&TEMPERATURE / PRECIPITATION Dillon 47 84 50 85 / 0 0 0 20 $$ MTZ329-241000- Ruby Mountains and Southern Beaverhead Mountains- Including the city of Monida Pass 436 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING... .TONIGHT...Partly cloudy. Patchy smoke after midnight. Lows in the upper 40s. West winds up to 15 mph. Gusts up to 35 mph in the evening. .MONDAY...Mostly sunny. Patchy smoke in the morning. A 20 percent chance of thunderstorms in the afternoon. Highs 71 to 79. Southwest winds up to 5 mph with gusts to around 20 mph shifting to the west 5 to 15 mph with gusts to around 30 mph in the afternoon. .MONDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the lower 50s. South winds up to 10 mph. Gusts up to 25 mph in the evening. .TUESDAY...Mostly sunny. Slight chance of dry thunderstorms in the afternoon. Highs 72 to 80. South winds up to 5 mph shifting to the west with gusts to around 25 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. South winds up to 10 mph. .WEDNESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 72 to 80. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy. A 40 percent chance of rain showers in the evening. Lows in the lower 50s. .THURSDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 72 to 80. .THURSDAY NIGHT...Mostly cloudy. Lows in the lower 50s. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 71 to 79. Lows in the upper 40s. .SATURDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs 68 to 76. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 40s. Highs 66 to 74. $$