Zone Forecast Product
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
699 FPUS55 KMSO 171823 ZFPMSO Zone Forecast Product National Weather Service Missoula MT 1223 PM MDT Mon Aug 17 2026 MTZ001-181000- Kootenai/Cabinet Region- Including the cities of Libby and Eureka 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Partly cloudy until early morning then becoming mostly cloudy. Lows in the upper 40s to mid 50s. .TUESDAY...Mostly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the 80s to lower 90s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .WEDNESDAY...Mostly sunny. 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 upper 80s to mid 90s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .FRIDAY...Partly cloudy. Highs in the upper 80s to mid 90s. .FRIDAY NIGHT...Mostly cloudy. A 40 percent chance of rain after midnight. Lows in the 50s. .SATURDAY...Mostly cloudy with a 20 percent chance of rain. Highs in the 80s. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of rain after midnight. Chance of precipitation 20 percent. Lows in the upper 40s to mid 50s. .SUNDAY...Partly cloudy with a 20 percent chance of rain. Highs in the mid 70s to lower 80s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .MONDAY...Mostly sunny. Highs in the 80s. $$ MTZ002-181000- West Glacier Region- Including the city of Swan Lake 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms early in the evening. Lows in the upper 40s to mid 50s. .TUESDAY...Partly cloudy. Highs in the 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .WEDNESDAY...Mostly sunny. Highs in the 70s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .THURSDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the 50s. .FRIDAY...Partly cloudy. Highs in the upper 70s to mid 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain after midnight. Lows in the mid 50s to lower 60s. .SATURDAY...Mostly cloudy with a 20 percent chance of rain. Highs in the 70s. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain after midnight. Chance of precipitation 40 percent. Lows in the upper 40s to mid 50s. .SUNDAY...Partly cloudy with a 20 percent chance of rain. Highs in the mid 60s to lower 70s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .MONDAY...Mostly sunny. Highs in the upper 60s to mid 70s. $$ MTZ003-181000- Flathead/Mission Valleys- Including the cities of Kalispell, Polson, and St. Ignatius 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .TUESDAY...Mostly cloudy. Highs in the upper 70s to mid 80s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .WEDNESDAY...Mostly sunny. Highs in the 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .THURSDAY...Mostly sunny. Highs in the 80s to lower 90s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .FRIDAY...Partly cloudy. Highs in the mid 80s to lower 90s. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the 50s. .SATURDAY...Partly cloudy with a 20 percent chance of rain. Highs in the 80s. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain after midnight. Chance of precipitation 40 percent. Lows in the upper 40s to mid 50s. .SUNDAY...Mostly sunny with a 20 percent chance of rain. Highs in the mid 70s to lower 80s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .MONDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ MTZ004-181000- Lower Clark Fork Region- Including the cities of Noxon, Thompson Falls, and Superior 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Partly cloudy. Lows in the 50s. .TUESDAY...Partly cloudy. Highs in the 80s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .WEDNESDAY...Mostly sunny. Highs in the 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the 50s. .THURSDAY...Mostly sunny. Highs in the upper 80s to mid 90s. .THURSDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s. .FRIDAY...Partly cloudy. Highs in the upper 80s to mid 90s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the mid 50s to lower 60s. .SATURDAY...Partly cloudy with a 20 percent chance of rain. Highs in the 80s. .SATURDAY NIGHT...Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening. Chance of precipitation 40 percent. Lows in the upper 40s to mid 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .MONDAY...Mostly sunny. Highs in the 80s. $$ MTZ005-181000- Missoula/Bitterroot Valleys- Including the cities of Hamilton and Darby 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. .TUESDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the lower to mid 80s. .TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Lows near 50. .WEDNESDAY...Mostly sunny. Highs in the mid to upper 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower to mid 50s. .THURSDAY...Mostly sunny. Highs near 90. .THURSDAY NIGHT...Mostly clear. Lows in the 50s. .FRIDAY...Partly cloudy. Highs near 90. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the mid to upper 50s. .SATURDAY...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 mid to upper 80s. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain after midnight. Chance of precipitation 30 percent. Lows near 50. .SUNDAY...Mostly sunny. Highs in the lower 80s. .SUNDAY NIGHT...Mostly clear. Lows near 50. .MONDAY...Mostly sunny. Highs in the lower to mid 80s. $$ MTZ006-181000- Bitterroot/Sapphire Mountains- Including the city of Sula 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Mostly cloudy. Lows in the mid 40s to lower 50s. .TUESDAY...Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Highs in the mid 70s to lower 80s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .THURSDAY...Mostly sunny. Highs in the 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .FRIDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the 80s to lower 90s. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening. Chance of precipitation 30 percent. Lows in the 50s. .SATURDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the mid 70s to lower 80s. .SATURDAY NIGHT...Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Chance of precipitation 30 percent. Lows in the mid 40s to lower 50s. .SUNDAY...Mostly sunny. Highs in the 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .MONDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ MTZ007-181000- Butte/Blackfoot Region- Including the cities of Anaconda, Deer Lodge, and Drummond 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Mostly cloudy. Slight chance of showers and thunderstorms early in the evening, then slight chance of rain late in the evening. Chance of precipitation 20 percent. Lows in the mid 40s to lower 50s. .TUESDAY...Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs in the 70s to lower 80s. West winds to 15 mph. .TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain in the evening, then mostly clear after midnight. Lows in the 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .THURSDAY...Mostly sunny. Highs in the 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .FRIDAY...Partly cloudy. Highs in the 80s. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Chance of precipitation 40 percent. Lows in the upper 40s to mid 50s. .SATURDAY...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 70s to mid 80s. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain after midnight. Chance of precipitation 40 percent. Lows in the mid 40s to lower 50s. .SUNDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the 70s. .SUNDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s. .MONDAY...Mostly sunny. Highs in the 70s to lower 80s. $$ MTZ043-181000- Potomac/Seeley Lake Region- Including the cities of East Missoula, Seeley Lake, and Clinton 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Lows in the upper 40s to mid 50s. .TUESDAY...Partly cloudy. Highs in the mid 70s to lower 80s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s to lower 50s. .WEDNESDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .THURSDAY...Mostly sunny. Highs in the 80s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .FRIDAY...Partly cloudy. Highs in the 80s to lower 90s. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the 50s. .SATURDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the upper 70s to mid 80s. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Chance of precipitation 30 percent. Lows in the upper 40s to mid 50s. .SUNDAY...Mostly sunny. Highs in the 70s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s to lower 50s. .MONDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ IDZ009-181000- Western Lemhi County- Including the city of Shoup 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. Lows in the 50s to lower 60s. .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 clear. Lows in the 50s. .WEDNESDAY...Sunny. Highs in the 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .THURSDAY...Mostly sunny. Highs in the mid 80s to lower 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s to lower 60s. .FRIDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 80s to lower 90s. .FRIDAY NIGHT...Mostly cloudy. A 30 percent chance of rain in the evening. Lows in the mid 50s to lower 60s. .SATURDAY...Mostly 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. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the 50s. .SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .SUNDAY NIGHT...Mostly clear. Lows in the 50s. .MONDAY...Mostly sunny. Highs in the mid 70s to lower 80s. $$ IDZ010-181000- Eastern Lemhi County- Including the cities of Salmon and Leadore 1223 PM MDT Mon Aug 17 2026 .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s to mid 50s. .TUESDAY...Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Highs in the mid 70s to lower 80s. Northwest winds to 15 mph. .TUESDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s to mid 50s. .WEDNESDAY...Mostly sunny. Highs in the upper 70s to mid 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s to mid 50s. .THURSDAY...Mostly sunny. Highs in the 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the 50s to lower 60s. .FRIDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the 80s. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers and a slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Chance of precipitation 40 percent. Lows in the mid 50s to lower 60s. .SATURDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs in the upper 70s to mid 80s. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the upper 40s to mid 50s. .SUNDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the 70s to lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .MONDAY...Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 70s to lower 80s. $$ IDZ005-181000- Northern Clearwater Mountains- Including the cities of Pierce and Elk River 1123 AM PDT Mon Aug 17 2026 .TONIGHT...Mostly cloudy. Lows in the upper 40s to mid 50s. .TUESDAY...Mostly sunny. Highs in the 80s. .TUESDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s. .WEDNESDAY...Sunny. Highs in the 80s to lower 90s. .WEDNESDAY NIGHT...Mostly clear. Lows in the 40s to lower 50s. .THURSDAY...Mostly sunny. Highs in the upper 80s to mid 90s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s to mid 50s. .FRIDAY...Partly cloudy. Highs in the 90s. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. .SATURDAY...Partly cloudy. Highs in the upper 70s to mid 80s. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of rain after midnight. Chance of precipitation 20 percent. Lows in the 40s. .SUNDAY...Mostly sunny. Highs in the mid 70s to lower 80s. .SUNDAY NIGHT...Mostly clear. Lows in the 40s. .MONDAY...Mostly sunny. Highs in the 80s. $$ IDZ006-181000- Southern Clearwater Mountains- Including the cities of Powell, Elk City, and Dixie 1123 AM PDT Mon Aug 17 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of rain in the evening. Patchy fog after midnight. Lows 45 to 60. .TUESDAY...Mostly sunny. Patchy fog in the morning. Highs 75 to 90. .TUESDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows 42 to 57. .WEDNESDAY...Mostly sunny. Highs 76 to 91. .WEDNESDAY NIGHT...Mostly clear. Lows 43 to 58. .THURSDAY...Mostly sunny. Highs 81 to 96. .THURSDAY NIGHT...Partly cloudy. Lows 48 to 63. .FRIDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs 83 to 98. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of rain in the evening. Lows 49 to 64. .SATURDAY...Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs 73 to 88. .SATURDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening, then slight chance of rain after midnight. Chance of precipitation 20 percent. Lows 42 to 57. .SUNDAY...Mostly sunny. Highs 70 to 85. .SUNDAY NIGHT...Mostly clear. Lows 40 to 55. .MONDAY...Mostly sunny. Highs 74 to 89. $$ IDZ007-181000- Orofino/Grangeville Region- Including the city of Kooskia 1123 AM PDT Mon Aug 17 2026 .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. A 20 percent chance of rain late in the evening. Lows in the upper 50s to mid 60s. .TUESDAY...Mostly sunny. Highs in the lower 80s to mid 90s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .WEDNESDAY...Mostly sunny. Highs in the lower 80s to mid 90s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .THURSDAY...Mostly sunny. Highs 86 to 99. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s to mid 60s. .FRIDAY...Partly cloudy. Highs 88 to 101. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 50s to mid 60s. .SATURDAY...Partly cloudy. Highs in the 80s to lower 90s. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the 50s to lower 60s. .SUNDAY...Mostly sunny. Highs in the 70s to upper 80s. .SUNDAY NIGHT...Mostly clear. Lows in the 50s. .MONDAY...Mostly sunny. Highs in the 80s to lower 90s. $$ IDZ008-181000- Lower Hells Canyon/Salmon River Region- Including the cities of Riggins and White Bird 1123 AM PDT Mon Aug 17 2026 .TONIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the 60s. .TUESDAY...Mostly sunny. Highs in the 80s to mid 90s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s to mid 60s. .WEDNESDAY...Mostly sunny. Hot. Highs in the mid 80s to upper 90s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s to mid 60s. .THURSDAY...Mostly sunny. Highs 90 to 102. .THURSDAY NIGHT...Partly cloudy. Lows in the 60s to lower 70s. .FRIDAY...Partly cloudy. Highs 91 to 103. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the 60s to lower 70s. .SATURDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the lower 80s to mid 90s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s to mid 60s. .SUNDAY...Mostly sunny. Highs in the upper 70s to lower 90s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s to lower 60s. .MONDAY...Mostly sunny. Highs in the lower 80s to mid 90s. $$