FPUS55 KMSO 270623 ZFPMSO Zone Forecast Product National Weather Service Missoula MT 1223 AM MDT Mon Apr 27 2026 MTZ001-272200- Kootenai/Cabinet Region- Including the cities of Libby and Eureka 1223 AM MDT Mon Apr 27 2026 .TODAY...Partly cloudy. Widespread frost in the morning. A 20 percent chance of rain in the afternoon. Highs in the 50s to lower 60s. .TONIGHT...Partly cloudy. Lows in the upper 20s to mid 30s. .TUESDAY...Partly cloudy. A 30 percent chance of rain in the afternoon. Highs in the mid 50s to lower 60s. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 30s to lower 40s. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Highs in the 60s. .WEDNESDAY NIGHT...Mostly clear. Lows in the 30s to lower 40s. .THURSDAY...Mostly sunny. Highs in the upper 60s to mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .FRIDAY...Partly cloudy. Highs in the upper 60s to mid 70s. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the upper 30s to mid 40s. .SATURDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the mid 60s to lower 70s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the upper 30s to mid 40s. .SUNDAY...Partly cloudy. Highs in the mid 60s to lower 70s. $$ MTZ002-272200- West Glacier Region- Including the city of Swan Lake 1223 AM MDT Mon Apr 27 2026 .TODAY...Partly cloudy. Widespread frost in the morning. Areas of snow and a slight chance of rain in the afternoon. Chance of precipitation 40 percent. Highs in the 40s. .TONIGHT...Partly cloudy. Lows in the mid 20s to lower 30s. .TUESDAY...Mostly cloudy with a 50 percent chance of rain and snow. Highs in the mid 40s to lower 50s. Southwest winds to 15 mph. .TUESDAY NIGHT...Mostly cloudy with a chance of snow and a slight chance of rain. Chance of precipitation 30 percent. Lows in the 30s. .WEDNESDAY...Mostly cloudy with a 50 percent chance of rain and snow. Highs in the upper 40s to mid 50s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 20s to mid 30s. .THURSDAY...Mostly sunny. Highs in the mid 50s to lower 60s. .THURSDAY NIGHT...Partly cloudy. Lows in the 30s to lower 40s. .FRIDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 50s to mid 60s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the mid 30s to lower 40s. .SATURDAY...Mostly cloudy with a 50 percent chance of rain. Highs in the 50s. .SATURDAY NIGHT...Mostly cloudy with a chance of rain. A chance of snow after midnight. Chance of precipitation 40 percent. Lows in the mid 30s to lower 40s. .SUNDAY...Mostly cloudy with a chance of snow. A chance of rain. Chance of precipitation 40 percent. Highs in the 50s to lower 60s. $$ MTZ003-272200- Flathead/Mission Valleys- Including the cities of Kalispell, Polson, and St. Ignatius 1223 AM MDT Mon Apr 27 2026 .TODAY...Partly cloudy. Widespread frost in the morning. A 20 percent chance of rain late in the afternoon. Highs in the upper 40s to mid 50s. .TONIGHT...Partly cloudy. Lows in the upper 20s to mid 30s. .TUESDAY...Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the 50s to lower 60s. .TUESDAY NIGHT...Mostly cloudy. Lows in the 30s to lower 40s. .WEDNESDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the mid 50s to lower 60s. .WEDNESDAY NIGHT...Mostly clear. Lows in the 30s. .THURSDAY...Mostly sunny. Highs in the 60s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .FRIDAY...Partly cloudy. Highs in the mid 60s to lower 70s. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain after midnight. Lows in the upper 30s to mid 40s. .SATURDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the 60s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the upper 30s to mid 40s. .SUNDAY...Partly cloudy with a 20 percent chance of rain. Highs in the 60s. $$ MTZ004-272200- Lower Clark Fork Region- Including the cities of Noxon, Thompson Falls, and Superior 1223 AM MDT Mon Apr 27 2026 .TODAY...Partly cloudy. Widespread frost early in the morning. Areas of frost late in the morning. Chance of rain showers, areas of snow and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the upper 40s to mid 50s. .TONIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 20s to mid 30s. .TUESDAY...Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the 50s. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the 30s. .WEDNESDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 50s to mid 60s. .WEDNESDAY NIGHT...Partly cloudy in the evening then becoming clear. Lows in the 30s. .THURSDAY...Mostly sunny. Highs in the mid 60s to lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .FRIDAY...Partly cloudy. Highs in the mid 60s to lower 70s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. .SATURDAY...Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 60s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the upper 30s to mid 40s. .SUNDAY...Partly cloudy with a 20 percent chance of rain. Highs in the 60s. $$ MTZ005-272200- Missoula/Bitterroot Valleys- Including the cities of Hamilton and Darby 1223 AM MDT Mon Apr 27 2026 .TODAY...Mostly cloudy. Slight chance of snow in the morning. Slight chance of rain late in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Widespread frost in the morning. Chance of precipitation 50 percent. Highs in the lower to mid 50s. .TONIGHT...Partly cloudy. Lows near 30. .TUESDAY...Partly cloudy. A 30 percent chance of rain in the afternoon. Highs in the mid to upper 50s. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower to mid 30s. .WEDNESDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the lower 60s. .WEDNESDAY NIGHT...Mostly clear. Lows in the 30s. .THURSDAY...Mostly sunny. Highs in the upper 60s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s. .FRIDAY...Partly cloudy. Highs in the lower 70s. .FRIDAY NIGHT...Mostly cloudy. Lows in the lower to mid 40s. .SATURDAY...Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs near 70. .SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the lower to mid 40s. .SUNDAY...Partly cloudy with a 20 percent chance of rain. Highs in the mid to upper 60s. $$ MTZ006-272200- Bitterroot/Sapphire Mountains- Including the city of Sula 1223 AM MDT Mon Apr 27 2026 .TODAY...Mostly cloudy. Areas of snow in the morning, then chance of snow showers and a slight chance of thunderstorms in the afternoon. Chance of rain showers late in the afternoon. Chance of precipitation 50 percent. Highs in the 40s. .TONIGHT...Partly cloudy. A 20 percent chance of snow in the evening. Lows in the 20s. .TUESDAY...Mostly cloudy. Slight chance of snow in the morning, then a chance of rain and snow in the afternoon. Chance of precipitation 50 percent. Highs in the mid 40s to lower 50s. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s to mid 30s. .WEDNESDAY...Mostly cloudy. Slight chance of snow in the morning, then chance of rain showers, snow showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the 50s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 20s to mid 30s. .THURSDAY...Mostly sunny. Highs in the mid 50s to lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the 30s. .FRIDAY...Partly cloudy. Highs in the 60s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s to lower 40s. .SATURDAY...Mostly cloudy. A 30 percent chance of rain in the afternoon. Highs in the 60s. .SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Lows in the mid 30s to lower 40s. .SUNDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the upper 50s to mid 60s. $$ MTZ007-272200- Butte/Blackfoot Region- Including the cities of Anaconda, Deer Lodge, and Drummond 1223 AM MDT Mon Apr 27 2026 .TODAY...Areas of snow until late afternoon, then snow showers likely with possible rain and thunderstorms late in the afternoon. Chance of precipitation 60 percent. Snow level 4000 feet. Little or no new snow accumulation. Highs in the 40s. .TONIGHT...Partly cloudy. Lows in the 20s. .TUESDAY...Partly cloudy. A 40 percent chance of rain and snow in the afternoon. Highs in the mid 40s to lower 50s. West winds to 15 mph. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s to lower 30s. West winds to 15 mph. .WEDNESDAY...Mostly cloudy. Slight chance of snow in the morning, then chance of rain showers, a chance of snow and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the upper 40s to mid 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s to lower 30s. .THURSDAY...Mostly sunny. Highs in the mid 50s to lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the 30s. .FRIDAY...Partly cloudy. Highs in the 60s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the 30s to lower 40s. .SATURDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the upper 50s to mid 60s. .SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Lows in the mid 30s to lower 40s. .SUNDAY...Mostly cloudy with a 40 percent chance of rain. Highs in the upper 50s to mid 60s. $$ MTZ043-272200- Potomac/Seeley Lake Region- Including the cities of East Missoula, Seeley Lake, and Clinton 1223 AM MDT Mon Apr 27 2026 .TODAY...Partly cloudy. Widespread frost in the morning. Slight chance of snow early in the afternoon. Areas of rain and snow late in the afternoon. Chance of precipitation 40 percent. Highs in the mid 40s to lower 50s. .TONIGHT...Partly cloudy. Lows in the mid 20s to lower 30s. .TUESDAY...Mostly cloudy. Slight chance of snow in the morning, then chance of rain showers, a chance of snow and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the mid 40s to lower 50s. .TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 20s to mid 30s. .WEDNESDAY...Mostly cloudy with a 50 percent chance of rain. Highs in the 50s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 20s to mid 30s. .THURSDAY...Mostly sunny. Highs in the upper 50s to mid 60s. .THURSDAY NIGHT...Mostly clear. Lows in the 30s. .FRIDAY...Partly cloudy. Highs in the 60s. .FRIDAY NIGHT...Mostly cloudy. Lows in the mid 30s to lower 40s. .SATURDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the upper 50s to mid 60s. .SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Lows in the mid 30s to lower 40s. .SUNDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the upper 50s to mid 60s. $$ IDZ009-272200- Western Lemhi County- Including the city of Shoup 1223 AM MDT Mon Apr 27 2026 .TODAY...Mostly cloudy. Areas of snow in the morning. Slight chance of rain late in the morning, then chance of snow showers, rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the mid 40s to lower 50s. .TONIGHT...Partly cloudy. Lows in the mid 20s to lower 30s. .TUESDAY...Partly cloudy. Highs in the upper 40s to mid 50s. .TUESDAY NIGHT...Mostly cloudy. Lows in the 30s. .WEDNESDAY...Partly cloudy. A 20 percent chance of rain showers, thunderstorms and snow in the afternoon. Highs in the 50s to lower 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the 30s to lower 40s. .THURSDAY...Mostly sunny. Highs in the 60s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 30s to lower 40s. .FRIDAY...Partly cloudy. Highs in the mid 60s to lower 70s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s to mid 40s. .SATURDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the mid 60s to lower 70s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the 40s. .SUNDAY...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 40 percent. Highs in the mid 60s to lower 70s. $$ IDZ010-272200- Eastern Lemhi County- Including the cities of Salmon and Leadore 1223 AM MDT Mon Apr 27 2026 .TODAY...Mostly cloudy. Areas of snow in the morning, then chance of snow showers, rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the 40s. .TONIGHT...Partly cloudy. Lows in the 20s to lower 30s. .TUESDAY...Partly cloudy. A 30 percent chance of snow in the afternoon. Highs in the upper 40s to mid 50s. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 20s to mid 30s. .WEDNESDAY...Mostly cloudy with a slight chance of snow. Slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Highs in the 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s to mid 30s. .THURSDAY...Mostly sunny. Highs in the upper 50s to mid 60s. .THURSDAY NIGHT...Mostly clear. Lows in the 30s. .FRIDAY...Partly cloudy. Highs in the mid 60s to lower 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .SATURDAY...Partly cloudy. A 30 percent chance of rain in the afternoon. Highs in the mid 60s to lower 70s. .SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Lows in the upper 30s to mid 40s. .SUNDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the 60s to lower 70s. $$ IDZ005-272200- Northern Clearwater Mountains- Including the cities of Pierce and Elk River 1123 PM PDT Sun Apr 26 2026 .TODAY...Mostly cloudy. Slight chance of rain late in the morning. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the 50s. .TONIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 20s to mid 30s. .TUESDAY...Mostly cloudy. A 40 percent chance of rain in the afternoon. Highs in the mid 50s to lower 60s. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the 30s. .WEDNESDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 50s to mid 60s. .WEDNESDAY NIGHT...Clear. Lows in the 30s. .THURSDAY...Mostly sunny. Highs in the mid 60s to lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s to lower 40s. .FRIDAY...Partly cloudy. Highs in the upper 60s to mid 70s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s to mid 40s. .SATURDAY...Mostly cloudy. A 30 percent chance of rain in the afternoon. Highs in the upper 60s to mid 70s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the 40s. .SUNDAY...Partly cloudy with a 20 percent chance of rain. Highs in the upper 60s to mid 70s. $$ IDZ006-272200- Southern Clearwater Mountains- Including the cities of Powell, Elk City, and Dixie 1123 PM PDT Sun Apr 26 2026 .TODAY...Mostly cloudy. Patchy fog early in the morning. Slight chance of rain and snow late in the morning. Chance of rain showers, snow showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs 43 to 56. .TONIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 20s to upper 30s. .TUESDAY...Partly cloudy. A 30 percent chance of rain in the afternoon. Highs in the upper 40s to lower 60s. .TUESDAY NIGHT...Mostly cloudy. Lows in the 30s to lower 40s. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Highs 52 to 65. .WEDNESDAY NIGHT...Mostly clear. Lows in the 30s to lower 40s. .THURSDAY...Mostly sunny. Highs in the upper 50s to lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the 30s to mid 40s. .FRIDAY...Partly cloudy. Highs in the 60s to lower 70s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the 30s to upper 40s. .SATURDAY...Mostly cloudy with a 30 percent chance of rain. Highs in the 60s to lower 70s. .SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Lows in the upper 30s to lower 50s. .SUNDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the 60s to lower 70s. $$ IDZ007-272200- Orofino/Grangeville Region- Including the city of Kooskia 1123 PM PDT Sun Apr 26 2026 .TODAY...Mostly cloudy. Slight chance of rain late in the morning. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the 50s to lower 60s. .TONIGHT...Partly cloudy. Lows in the 30s to lower 40s. .TUESDAY...Partly cloudy. A 30 percent chance of rain in the afternoon. Highs in the upper 50s to mid 60s. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 30s to mid 40s. .WEDNESDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 60s. .WEDNESDAY NIGHT...Clear. Lows in the upper 30s to mid 40s. .THURSDAY...Mostly sunny. Highs in the 60s to mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the 40s. .FRIDAY...Partly cloudy. Highs in the upper 60s to mid 70s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s. .SATURDAY...Mostly cloudy with a 20 percent chance of rain. Highs in the upper 60s to mid 70s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the mid 40s to lower 50s. .SUNDAY...Mostly 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 60s to upper 70s. $$ IDZ008-272200- Lower Hells Canyon/Salmon River Region- Including the cities of Riggins and White Bird 1123 PM PDT Sun Apr 26 2026 .TODAY...Partly cloudy. Slight chance of rain and snow early in the afternoon. Chance of rain showers and a slight chance of thunderstorms late in the afternoon. Chance of precipitation 50 percent. Highs in the 50s to lower 60s. .TONIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the 30s to lower 40s. .TUESDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 50s to upper 60s. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 30s to mid 40s. .WEDNESDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 60s to lower 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s to mid 40s. .THURSDAY...Mostly sunny. Highs in the mid 60s to upper 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .FRIDAY...Partly cloudy. Highs in the 70s to lower 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .SATURDAY...Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 60s to lower 80s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the upper 40s to mid 50s. .SUNDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Highs in the upper 60s to lower 80s. $$