FPUS55 KMSO 231823 ZFPMSO Zone Forecast Product National Weather Service Missoula MT 1223 PM MDT Sun Aug 23 2026 MTZ001-241000- Kootenai/Cabinet Region- Including the cities of Libby and Eureka 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke early in the evening. Areas of smoke late in the evening, then patchy smoke after midnight. A 20 percent chance of rain early in the evening. Lows in the 40s to lower 50s. .MONDAY...Mostly sunny. Patchy smoke in the morning. Highs in the 80s to lower 90s. .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 50s. .WEDNESDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 90s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the 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 upper 70s to mid 80s. .FRIDAY NIGHT...Mostly clear. Lows in the 40s. .SATURDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .SATURDAY NIGHT...Mostly clear. Lows in the 40s. .SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ MTZ002-241000- West Glacier Region- Including the city of Swan Lake 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke late in the night. Lows in the mid 40s to lower 50s. Southwest winds 15 to 25 mph with gusts to around 35 mph. .MONDAY...Mostly sunny. Highs in the 70s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .TUESDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .TUESDAY NIGHT...Partly cloudy. Lows in the 50s. .WEDNESDAY...Partly cloudy. A 30 percent chance of rain in the afternoon. Highs in the upper 70s to mid 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the 50s. .THURSDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .FRIDAY...Mostly sunny. Highs in the 70s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. Highs in the mid 60s to lower 70s. .SATURDAY NIGHT...Mostly clear. Lows in the 40s. .SUNDAY...Mostly sunny. A 20 percent chance of rain in the morning. Highs in the mid 60s to lower 70s. $$ MTZ003-241000- Flathead/Mission Valleys- Including the cities of Kalispell, Polson, and St. Ignatius 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s. Southwest winds to 15 mph in the evening. .MONDAY...Mostly 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 mid 80s to lower 90s. .TUESDAY NIGHT...Partly cloudy. Lows in the 50s. .WEDNESDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. 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 mid 40s to lower 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .FRIDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s. .SATURDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .SATURDAY NIGHT...Mostly clear. Lows in the 40s. .SUNDAY...Mostly sunny. Highs in the 70s. $$ MTZ004-241000- Lower Clark Fork Region- Including the cities of Noxon, Thompson Falls, and Superior 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s. West winds to 15 mph in the evening. .MONDAY...Mostly sunny. Highs in the 80s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .TUESDAY...Mostly sunny. Highs in the upper 80s to mid 90s. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the 50s to lower 60s. .WEDNESDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 80s to mid 90s. .WEDNESDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the 50s. .THURSDAY...Mostly sunny. Highs in the 80s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .FRIDAY...Mostly sunny. Highs in the 80s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .SATURDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ MTZ005-241000- Missoula/Bitterroot Valleys- Including the cities of Hamilton and Darby 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke early in the evening. Lows in the mid to upper 40s. Northwest winds 15 to 20 mph with gusts to around 30 mph in the evening. .MONDAY...Mostly sunny. Highs in the lower to mid 80s. .MONDAY NIGHT...Partly cloudy. Lows near 50. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs near 90. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower to mid 50s. .WEDNESDAY...Partly cloudy. A 30 percent chance of rain in the afternoon. Highs near 90. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the lower to mid 50s. .THURSDAY...Mostly sunny. Highs in the mid to upper 80s. .THURSDAY NIGHT...Mostly clear. 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. .SATURDAY NIGHT...Mostly clear. Lows in the lower to mid 40s. .SUNDAY...Mostly sunny. Highs near 80. $$ MTZ006-241000- Bitterroot/Sapphire Mountains- Including the city of Sula 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke late in the evening. Lows in the 40s. Northwest winds to 15 mph in the evening. .MONDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .TUESDAY...Partly cloudy. Slight chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Highs in the upper 70s to mid 80s. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain in the evening, then mostly cloudy after midnight. Lows in the upper 40s to mid 50s. .WEDNESDAY...Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Highs in the 80s. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s to mid 50s. .THURSDAY...Partly cloudy. Highs in the upper 70s to mid 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the 40s. .SATURDAY...Mostly sunny. Highs in the 70s to lower 80s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s. .SUNDAY...Mostly sunny. Highs in the 70s. $$ MTZ007-241000- Butte/Blackfoot Region- Including the cities of Anaconda, Deer Lodge, and Drummond 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke in the late evening and overnight. Lows in the 40s. Northwest winds 15 to 20 mph with gusts to around 30 mph in the evening. .MONDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .MONDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s. .TUESDAY...Partly cloudy with a 40 percent chance of rain. Highs in the upper 70s to mid 80s. .TUESDAY NIGHT...Mostly cloudy.A 40 percent chance of rain in the evening. Lows in the mid 40s to lower 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 40 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the mid 40s to lower 50s. .THURSDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. 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...Partly cloudy. Lows in the 40s. .SATURDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the 70s. .SATURDAY NIGHT...Mostly clear. A 20 percent chance of rain in the evening. Lows in the upper 30s to mid 40s. .SUNDAY...Mostly sunny. Highs in the upper 60s to mid 70s. $$ MTZ043-241000- Potomac/Seeley Lake Region- Including the cities of East Missoula, Seeley Lake, and Clinton 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Patchy smoke early in the evening. Lows in the 40s. West winds to 15 mph in the evening. .MONDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .TUESDAY...Mostly sunny. Highs in the 80s. .TUESDAY NIGHT...Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. .WEDNESDAY...Mostly sunny in the morning, then mostly cloudy with a 30 percent chance of rain in the afternoon. Highs in the 80s. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s to mid 50s. .THURSDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .FRIDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. Highs in the 70s. .SATURDAY NIGHT...Mostly clear. Lows in the 40s. .SUNDAY...Mostly sunny. Highs in the 70s. $$ IDZ009-241000- Western Lemhi County- Including the city of Shoup 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the upper 40s to mid 50s. Northwest winds to 15 mph in the evening. .MONDAY...Mostly sunny. Highs in the 80s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower 60s. .TUESDAY...Mostly sunny in the morning, then mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Highs in the 80s. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the mid 50s to lower 60s. .WEDNESDAY...Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the 80s. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the 50s to lower 60s. .THURSDAY...Partly cloudy. 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. .SATURDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ IDZ010-241000- Eastern Lemhi County- Including the cities of Salmon and Leadore 1223 PM MDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s. West winds 15 to 20 mph with gusts to around 30 mph in the evening. .MONDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .MONDAY NIGHT...Mostly cloudy. Lows in the upper 40s to mid 50s. .TUESDAY...Mostly sunny in the morning, then mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Highs in the 80s. .TUESDAY NIGHT...Mostly cloudy. A 30 percent chance of rain in the evening. Lows in the 50s. .WEDNESDAY...Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the 80s. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s to mid 50s. .THURSDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to mid 80s. .THURSDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 70s to lower 80s. .SATURDAY NIGHT...Partly cloudy. Lows in the 40s to lower 50s. .SUNDAY...Mostly sunny. Highs in the 70s. $$ IDZ005-241000- Northern Clearwater Mountains- Including the cities of Pierce and Elk River 1123 AM PDT Sun Aug 23 2026 .TONIGHT...Clear. Patchy fog late in the night. Lows in the upper 30s to mid 40s. .MONDAY...Mostly sunny. Patchy fog in the morning. Highs in the 80s. .MONDAY NIGHT...Partly cloudy. Lows in the 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...Mostly sunny. Highs in the upper 80s to mid 90s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .THURSDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .THURSDAY NIGHT...Mostly clear. Lows in the 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 70s to lower 80s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s. .SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ IDZ006-241000- Southern Clearwater Mountains- Including the cities of Powell, Elk City, and Dixie 1123 AM PDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Areas of fog after midnight. Patchy fog late in the night. Lows 38 to 53. .MONDAY...Mostly sunny. Patchy fog in the morning. Highs 75 to 90. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 44 to 59. .TUESDAY...Mostly sunny. Highs 81 to 96. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 48 to 63. .WEDNESDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs 80 to 95. .WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 60. .THURSDAY...Mostly sunny. Highs 72 to 87. .THURSDAY NIGHT...Partly cloudy. Lows 41 to 56. .FRIDAY...Mostly sunny. Highs 72 to 86. .FRIDAY NIGHT...Mostly clear. Lows 38 to 53. .SATURDAY...Mostly sunny. Highs 68 to 83. .SATURDAY NIGHT...Mostly clear. Lows 35 to 50. .SUNDAY...Mostly sunny. Highs 68 to 83. $$ IDZ007-241000- Orofino/Grangeville Region- Including the city of Kooskia 1123 AM PDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the upper 40s to mid 50s. Northwest winds to 15 mph in the evening. .MONDAY...Mostly sunny. Highs 81 to 94. .MONDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower 60s. .TUESDAY...Mostly sunny. Hot. Highs 88 to 101. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s to mid 60s. .WEDNESDAY...Mostly sunny. Highs in the 80s to upper 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 70s to mid 80s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .SUNDAY...Mostly sunny. Highs in the 70s to mid 80s. $$ IDZ008-241000- Lower Hells Canyon/Salmon River Region- Including the cities of Riggins and White Bird 1123 AM PDT Sun Aug 23 2026 .TONIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .MONDAY...Mostly sunny. Highs in the 80s to mid 90s. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the 60s. .TUESDAY...Mostly sunny. Hot. Highs 88 to 101. .TUESDAY NIGHT...Partly cloudy. Lows in the 60s. South winds 15 to 20 mph. .WEDNESDAY...Partly cloudy. Highs 88 to 101. .WEDNESDAY NIGHT...Partly cloudy. Lows in the 60s. .THURSDAY...Mostly sunny. Highs in the lower 80s to mid 90s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .FRIDAY...Mostly sunny. Highs in the 80s to lower 90s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .SATURDAY...Mostly sunny. Highs 77 to 90. .SATURDAY NIGHT...Mostly clear. Lows in the 50s. .SUNDAY...Mostly sunny. Highs in the upper 70s to lower 90s. $$