FPUS55 KMSO 221823 ZFPMSO Zone Forecast Product National Weather Service Missoula MT 1222 PM MDT Sat Aug 22 2026 MTZ001-231000- Kootenai/Cabinet Region- Including the cities of Libby and Eureka 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy. Chance of rain showers through the night. Chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Patchy smoke in the evening. Chance of precipitation 50 percent. Some thunderstorms may produce gusty winds. Lows in the 50s. .SUNDAY...Mostly sunny. Patchy smoke in the morning. Not as warm. Highs in the mid 70s to lower 80s. Southwest winds to 15 mph. .SUNDAY NIGHT...Mostly clear. Areas of smoke in the evening, then patchy smoke after midnight. Lows in the 40s to lower 50s. .MONDAY...Sunny. Patchy smoke in the morning. Highs in the 80s to lower 90s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .TUESDAY...Mostly sunny. Highs in the upper 80s to mid 90s. .TUESDAY NIGHT...Mostly clear. Lows in the 50s. .WEDNESDAY...Partly cloudy. Highs in the upper 80s to mid 90s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the 50s. .THURSDAY...Mostly sunny. Highs in the 80s. .THURSDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .FRIDAY NIGHT...Mostly clear. Lows in the 40s. .SATURDAY...Partly cloudy. Highs in the mid 70s to lower 80s. $$ MTZ002-231000- West Glacier Region- Including the city of Swan Lake 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms early in the evening, then partly cloudy in the late evening and early morning. Partly cloudy with a chance of rain showers late in the night. Chance of precipitation 50 percent. Some thunderstorms may produce gusty winds. Lows in the 50s to lower 60s. .SUNDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Patchy smoke in the afternoon. Highs in the upper 60s to mid 70s. Southwest winds 15 to 20 mph with gusts to around 30 mph. .SUNDAY NIGHT...Mostly clear. Patchy smoke after midnight. Lows in the mid 40s to lower 50s. Southwest winds 15 to 25 mph with gusts to around 35 mph. .MONDAY...Mostly sunny. Highs in the 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .TUESDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .TUESDAY NIGHT...Mostly clear. Lows in the 50s. .WEDNESDAY...Partly cloudy. Highs in the upper 70s to mid 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the 50s. .THURSDAY...Partly cloudy. Highs in the 70s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .FRIDAY...Mostly sunny. Highs in the upper 60s to mid 70s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. Highs in the mid 60s to lower 70s. $$ MTZ003-231000- Flathead/Mission Valleys- Including the cities of Kalispell, Polson, and St. Ignatius 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Chance of rain showers through the night. Slight chance of thunderstorms in the evening. Slight chance of thunderstorms after midnight. Chance of precipitation 50 percent. Some thunderstorms may produce gusty winds. Lows in the 50s. .SUNDAY...Mostly sunny. Patchy smoke in the afternoon. Highs in the mid 70s to lower 80s. Southwest winds 15 to 20 mph with gusts to around 30 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. Southwest winds to 15 mph. .MONDAY...Sunny. Highs in the upper 70s to mid 80s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .TUESDAY...Mostly sunny. Highs in the 80s to lower 90s. .TUESDAY NIGHT...Mostly clear. Lows in the 50s. .WEDNESDAY...Partly cloudy. Highs in the mid 80s to lower 90s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .THURSDAY...Mostly sunny. Highs in the 80s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .FRIDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .FRIDAY NIGHT...Mostly clear. Lows in the 40s. .SATURDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ MTZ004-231000- Lower Clark Fork Region- Including the cities of Noxon, Thompson Falls, and Superior 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Chance of rain showers through the night. Slight chance of thunderstorms in the evening. Slight chance of thunderstorms after midnight. Chance of precipitation 50 percent. Some thunderstorms may produce gusty winds. Lows in the 50s. .SUNDAY...Mostly sunny. Patchy smoke in the morning. Highs in the mid 70s to lower 80s. West winds to 15 mph with gusts to around 30 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. Southwest winds to 15 mph with gusts to around 30 mph. .MONDAY...Sunny. Highs in the 80s. .MONDAY NIGHT...Mostly clear. Lows in the 50s. .TUESDAY...Mostly sunny. Highs in the upper 80s to mid 90s. .TUESDAY NIGHT...Partly cloudy. Lows in the 50s to lower 60s. .WEDNESDAY...Partly cloudy. Highs in the upper 80s to mid 90s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the 50s. .THURSDAY...Mostly sunny. Highs in the 80s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ MTZ005-231000- Missoula/Bitterroot Valleys- Including the cities of Hamilton and Darby 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms early in the evening, then mostly cloudy with a slight chance of rain showers late in the evening. Partly cloudy after midnight. Patchy fog late in the night. Chance of precipitation 50 percent. Some thunderstorms may produce gusty winds. Lows in the 50s. .SUNDAY...Mostly sunny. Patchy fog in the morning. Highs in the lower to mid 80s. Northwest winds 15 to 20 mph with gusts to around 30 mph. .SUNDAY NIGHT...Mostly clear. Patchy smoke in the evening. Lows in the mid to upper 40s. West winds to 15 mph with gusts to around 30 mph. .MONDAY...Mostly sunny. Highs in the lower to mid 80s. .MONDAY NIGHT...Mostly clear. Lows in the lower to mid 50s. .TUESDAY...Mostly sunny. Highs near 90. .TUESDAY NIGHT...Partly cloudy. Lows in the 50s. .WEDNESDAY...Partly cloudy. Highs near 90. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower to mid 50s. .THURSDAY...Partly cloudy. Highs in the mid to upper 80s. .THURSDAY NIGHT...Partly cloudy. Lows near 50. .FRIDAY...Mostly sunny. Highs in the lower to mid 80s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. Highs near 80. $$ MTZ006-231000- Bitterroot/Sapphire Mountains- Including the city of Sula 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms early in the evening, then mostly cloudy with a slight chance of rain showers late in the evening. Partly cloudy after midnight. Chance of precipitation 20 percent. Some thunderstorms may produce gusty winds. Lows in the upper 40s to mid 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. Southwest winds to 15 mph with gusts to around 30 mph. .SUNDAY NIGHT...Mostly clear. Patchy smoke in the evening. Lows in the 40s. .MONDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .TUESDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. .WEDNESDAY...Partly cloudy. Highs in the upper 70s to mid 80s. .WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s to mid 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s. .FRIDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the 40s. .SATURDAY...Mostly sunny. Highs in the 70s. $$ MTZ007-231000- Butte/Blackfoot Region- Including the cities of Anaconda, Deer Lodge, and Drummond 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. Chance of rain showers and a slight chance of thunderstorms early in the evening. Areas of fog late in the night. Chance of precipitation 50 percent. Some thunderstorms may produce gusty winds. Lows in the upper 40s to mid 50s. .SUNDAY...Mostly sunny. Areas of fog in the morning. Highs in the mid 70s to lower 80s. Southwest winds 15 to 25 mph with gusts to around 35 mph. .SUNDAY NIGHT...Mostly clear. Patchy smoke after midnight. Lows in the 40s. West winds to 15 mph with gusts to around 30 mph. .MONDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .TUESDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to mid 80s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .WEDNESDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to mid 80s. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Chance of precipitation 30 percent. Lows in the mid 40s to lower 50s. .THURSDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the mid 70s to lower 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s. .FRIDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the 40s. .SATURDAY...Mostly sunny. Highs in the 70s. $$ MTZ043-231000- Potomac/Seeley Lake Region- Including the cities of East Missoula, Seeley Lake, and Clinton 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms early in the evening, then mostly cloudy with a slight chance of rain showers late in the evening. Partly cloudy after midnight. Areas of fog late in the night. Chance of precipitation 50 percent. Some thunderstorms may produce gusty winds. Lows in the 50s. .SUNDAY...Mostly sunny. Areas of fog in the morning. Highs in the mid 70s to lower 80s. West winds to 15 mph with gusts to around 30 mph. .SUNDAY NIGHT...Mostly clear. Patchy smoke in the evening. Lows in the 40s. West winds to 15 mph with gusts to around 30 mph. .MONDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .TUESDAY...Mostly sunny. Highs in the 80s. .TUESDAY NIGHT...Mostly clear. Lows in the 50s. .WEDNESDAY...Partly cloudy. Highs in the 80s. .WEDNESDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s to mid 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s to mid 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .FRIDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. Highs in the 70s. $$ IDZ009-231000- Western Lemhi County- Including the city of Shoup 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Partly cloudy with a slight chance of rain showers late in the night. Chance of precipitation 50 percent. Some thunderstorms may produce gusty winds. Lows in the mid 50s to lower 60s. .SUNDAY...Mostly sunny. Highs in the upper 70s to mid 80s. Southwest winds to 15 mph with gusts to around 30 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. West winds to 15 mph. .MONDAY...Mostly sunny. Highs in the 80s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower 60s. .TUESDAY...Mostly sunny. Highs in the 80s. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s to lower 60s. .WEDNESDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the 50s to lower 60s. .THURSDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the 50s. .SATURDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ IDZ010-231000- Eastern Lemhi County- Including the cities of Salmon and Leadore 1222 PM MDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Chance of precipitation 50 percent. Some thunderstorms may produce gusty winds. Lows in the 50s. .SUNDAY...Mostly sunny. Highs in the upper 70s to mid 80s. Southwest winds 15 to 25 mph with gusts to around 35 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. West winds to 15 mph with gusts to around 30 mph. .MONDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the 50s. .TUESDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to mid 80s. .TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the 50s. .WEDNESDAY...Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the upper 70s to mid 80s. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s to mid 50s. .THURSDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 70s to mid 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .FRIDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ IDZ005-231000- Northern Clearwater Mountains- Including the cities of Pierce and Elk River 1122 AM PDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with a 40 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Patchy smoke late in the evening. Patchy fog after midnight. Some thunderstorms may produce gusty winds. Lows in the mid 40s to lower 50s. .SUNDAY...Mostly sunny. Patchy fog in the morning. Highs in the mid 70s to lower 80s. .SUNDAY NIGHT...Clear. Patchy fog after midnight. Lows in the upper 30s to mid 40s. .MONDAY...Sunny. Patchy fog in the morning. Highs in the 80s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .TUESDAY...Mostly sunny. Highs in the upper 80s to mid 90s. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .WEDNESDAY...Partly cloudy. Highs in the mid 80s to lower 90s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .THURSDAY...Partly cloudy. Highs in the mid 70s to lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s. .FRIDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s. .SATURDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ IDZ006-231000- Southern Clearwater Mountains- Including the cities of Powell, Elk City, and Dixie 1122 AM PDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with a 20 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Patchy smoke until early morning. Patchy fog after midnight, then areas of fog late in the night. Some thunderstorms may produce gusty winds. Lows 46 to 59. .SUNDAY...Mostly sunny. Areas of fog in the morning. Highs 70 to 85. .SUNDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows 39 to 54. .MONDAY...Mostly sunny. Patchy fog in the morning. Highs 75 to 90. .MONDAY NIGHT...Partly cloudy. Lows 45 to 60. .TUESDAY...Mostly sunny. Highs 80 to 95. .TUESDAY NIGHT...Partly cloudy. Lows 48 to 63. .WEDNESDAY...Partly cloudy. Highs 79 to 94. .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 59. .THURSDAY...Partly cloudy. Highs 71 to 86. .THURSDAY NIGHT...Mostly clear. Lows 39 to 54. .FRIDAY...Mostly sunny. Highs 70 to 85. .FRIDAY NIGHT...Mostly clear. Lows 39 to 54. .SATURDAY...Mostly sunny. Highs 69 to 84. $$ IDZ007-231000- Orofino/Grangeville Region- Including the city of Kooskia 1122 AM PDT Sat Aug 22 2026 .TONIGHT...Mostly cloudy with a 50 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce gusty winds. Lows in the mid 50s to lower 60s. .SUNDAY...Sunny. Highs in the 70s to upper 80s. .SUNDAY NIGHT...Mostly clear. Lows in the 50s. .MONDAY...Mostly sunny. Highs 81 to 94. .MONDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .TUESDAY...Mostly sunny. Highs 87 to 100. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s to mid 60s. .WEDNESDAY...Partly cloudy. Highs in the 80s to mid 90s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower 60s. .THURSDAY...Mostly sunny. Highs in the 70s to upper 80s. .THURSDAY NIGHT...Mostly clear. Lows in the 50s. .FRIDAY...Mostly sunny. Highs in the 70s to upper 80s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .SATURDAY...Mostly sunny. Highs in the mid 70s to upper 80s. $$ IDZ008-231000- Lower Hells Canyon/Salmon River Region- Including the cities of Riggins and White Bird 1122 AM PDT Sat Aug 22 2026 .TONIGHT...Partly cloudy. A 20 percent chance of rain showers late in the evening. Lows in the upper 50s to mid 60s. .SUNDAY...Sunny. Highs 79 to 92. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .MONDAY...Mostly sunny. Highs in the mid 80s to upper 90s. .MONDAY NIGHT...Partly cloudy. Lows in the 60s. East winds to 15 mph. .TUESDAY...Mostly sunny. Highs 88 to 101. .TUESDAY NIGHT...Partly cloudy. Lows in the 60s. .WEDNESDAY...Partly cloudy. Highs 87 to 100. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s to mid 60s. .THURSDAY...Partly cloudy. Highs in the 80s to lower 90s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .FRIDAY...Mostly sunny. Highs in the 80s to lower 90s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .SATURDAY...Mostly sunny. Highs in the upper 70s to lower 90s. $$