FPUS55 KMSO 190803 ZFPMSO Zone Forecast Product National Weather Service Missoula MT 103 AM MST Thu Feb 19 2026 MTZ001-192300- Kootenai/Cabinet Region- Including the cities of Libby and Eureka 103 AM MST Thu Feb 19 2026 .TODAY...Mostly cloudy. A 20 percent chance of snow late in the afternoon. Highs in the mid 20s to lower 30s. .TONIGHT...Mostly cloudy with a 50 percent chance of snow. Lows 15 to 22. .FRIDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the 30s. .FRIDAY NIGHT...Mostly cloudy. Lows 14 to 21. .SATURDAY...Partly cloudy. Highs in the mid 30s to lower 40s. .SATURDAY NIGHT...Partly cloudy. Lows 14 to 21. .SUNDAY...Mostly cloudy. Highs in the mid 30s to lower 40s. .SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a 30 percent chance of snow after midnight. Lows in the 20s. .MONDAY...A chance of rain and snow in the morning, then rain likely in the afternoon. Chance of precipitation 70 percent. Highs in the upper 30s to mid 40s. .MONDAY NIGHT...Rain likely. Chance of rain 90 percent. Lows in the upper 20s to mid 30s. .TUESDAY...A chance of snow. A chance of rain in the morning, then rain likely in the afternoon. Chance of precipitation 60 percent. Highs in the upper 30s to mid 40s. .TUESDAY NIGHT...Mostly cloudy with a chance of rain. A chance of snow. Chance of precipitation 40 percent. Lows in the mid 20s to lower 30s. .WEDNESDAY...Mostly cloudy with a chance of snow. A chance of rain in the afternoon. Chance of precipitation 50 percent. Highs in the upper 30s to mid 40s. $$ MTZ002-192300- West Glacier Region- Including the city of Swan Lake 103 AM MST Thu Feb 19 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY... .TODAY...Partly cloudy. Bitterly cold. Highs in the 20s. East winds to 15 mph in the morning. Wind chill readings 10 below to 20 below zero. .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of snow after midnight. Lows 7 to 14. .FRIDAY...A chance of snow in the morning, then snow likely in the afternoon. Chance of snow 70 percent. Little or no new snow accumulation. Highs in the 20s. Southwest winds to 15 mph. .FRIDAY NIGHT...Mostly cloudy. A 30 percent chance of snow in the evening. Lows 11 to 18. Southwest winds to 15 mph. .SATURDAY...Mostly cloudy. A 20 percent chance of snow in the afternoon. Highs in the upper 20s to mid 30s. .SATURDAY NIGHT...Mostly clear in the evening, then mostly cloudy with a 20 percent chance of snow after midnight. Lows 8 to 15. .SUNDAY...Mostly cloudy. A 20 percent chance of snow in the morning. Highs in the 30s. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of snow after midnight. Lows 18 to 25. .MONDAY...A chance of rain. A chance of snow in the morning, then snow likely in the afternoon. Chance of precipitation 60 percent. Highs in the upper 30s to mid 40s. .MONDAY NIGHT...Rain and snow likely. Chance of precipitation 90 percent. Lows in the mid 20s to lower 30s. .TUESDAY...Rain and snow likely. Chance of precipitation 70 percent. Highs in the 30s to lower 40s. .TUESDAY NIGHT...Mostly cloudy with a chance of snow. A chance of rain in the evening. Chance of precipitation 50 percent. Lows in the 20s to lower 30s. .WEDNESDAY...A chance of snow in the morning, then snow likely in the afternoon. Chance of snow 60 percent. Highs in the 30s to lower 40s. $$ MTZ003-192300- Flathead/Mission Valleys- Including the cities of Kalispell, Polson, and St. Ignatius 103 AM MST Thu Feb 19 2026 .TODAY...Mostly cloudy until late afternoon then clearing. Bitterly cold. Highs in the mid 20s to lower 30s. Northeast winds to 15 mph in the morning. Wind chill readings 10 below to 20 below zero. .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of snow after midnight. Lows 11 to 18. .FRIDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the 30s. .FRIDAY NIGHT...Mostly cloudy. Lows 13 to 20. .SATURDAY...Partly cloudy. Highs in the mid 30s to lower 40s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 12 to 19. .SUNDAY...Mostly cloudy. Highs in the mid 30s to lower 40s. .SUNDAY NIGHT...Partly cloudy. Lows 19 to 26. .MONDAY...Mostly cloudy with a chance of rain. A chance of snow and a slight chance of light freezing rain in the morning. Chance of precipitation 40 percent. Highs in the 40s. .MONDAY NIGHT...Rain likely. Chance of rain 80 percent. Lows in the upper 20s to mid 30s. .TUESDAY...Mostly cloudy with a 50 percent chance of rain. Highs in the 40s. .TUESDAY NIGHT...Mostly cloudy. A chance of rain and snow in the evening, then slight chance of snow after midnight. Chance of precipitation 30 percent. Lows in the mid 20s to lower 30s. .WEDNESDAY...Mostly cloudy. Slight chance of snow in the morning, then a chance of rain and snow in the afternoon. Chance of precipitation 40 percent. Highs in the 40s. $$ MTZ004-192300- Lower Clark Fork Region- Including the cities of Noxon, Thompson Falls, and Superior 103 AM MST Thu Feb 19 2026 .TODAY...Partly cloudy. Patchy fog early in the morning. Highs in the upper 20s to mid 30s. East winds to 15 mph in the morning. .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a 40 percent chance of snow after midnight. Lows 15 to 22. .FRIDAY...Snow likely. Chance of snow 60 percent. Little or no new snow accumulation. Highs in the upper 20s to mid 30s. .FRIDAY NIGHT...Mostly cloudy. Lows 13 to 20. .SATURDAY...Partly cloudy. Highs in the 30s to lower 40s. .SATURDAY NIGHT...Partly cloudy. Lows 16 to 23. .SUNDAY...Partly cloudy. Highs in the mid 30s to lower 40s. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of light freezing rain and snow after midnight. Lows in the 20s to lower 30s. .MONDAY...Mostly cloudy with a chance of rain. Chance of light freezing rain and a slight chance of snow in the morning, then a chance of snow in the afternoon. Chance of precipitation 50 percent. Highs in the 40s. .MONDAY NIGHT...Rain likely in the evening, then rain and snow likely after midnight. Chance of precipitation 90 percent. Lows in the upper 20s to mid 30s. .TUESDAY...Rain and snow likely. Chance of precipitation 80 percent. Highs in the upper 30s to mid 40s. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows in the mid 20s to lower 30s. .WEDNESDAY...A chance of rain. A chance of snow in the morning, then snow likely in the afternoon. Chance of precipitation 60 percent. Highs in the upper 30s to mid 40s. $$ MTZ005-192300- Missoula/Bitterroot Valleys- Including the cities of Hamilton and Darby 103 AM MST Thu Feb 19 2026 .TODAY...Mostly sunny. Highs in the lower 30s. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 14 to 18. .FRIDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the lower to mid 30s. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 12 to 16. .SATURDAY...Mostly sunny. Highs near 40. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 16 to 20. .SUNDAY...Partly cloudy. Highs in the lower to mid 40s. .SUNDAY NIGHT...Mostly clear. Lows in the lower to mid 20s. .MONDAY...Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs near 50. .MONDAY NIGHT...A chance of rain in the evening, then rain likely after midnight. Chance of rain 70 percent. Lows near 30. .TUESDAY...Rain likely in the morning, then a chance of rain in the afternoon. Chance of rain 70 percent. Highs in the lower to mid 40s. .TUESDAY NIGHT...Mostly cloudy with a chance of rain. A chance of snow after midnight. Chance of precipitation 50 percent. Lows in the mid to upper 20s. .WEDNESDAY...Mostly cloudy with a chance of snow. A chance of rain in the afternoon. Chance of precipitation 40 percent. Highs in the lower to mid 40s. $$ MTZ006-192300- Bitterroot/Sapphire Mountains- Including the city of Sula 103 AM MST Thu Feb 19 2026 .TODAY...Mostly sunny. A 20 percent chance of snow late in the afternoon. Highs in the mid 20s to lower 30s. .TONIGHT...Partly cloudy. Lows 6 to 13. .FRIDAY...Snow likely. Chance of snow 80 percent. Little or no new snow accumulation. Highs in the mid 20s to lower 30s. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 5 to 12. Southwest winds to 15 mph. .SATURDAY...Mostly sunny. Highs in the 30s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 12 to 19. .SUNDAY...Partly cloudy. Highs in the mid 30s to lower 40s. .SUNDAY NIGHT...Mostly clear. Lows 19 to 26. .MONDAY...Mostly sunny in the morning then becoming mostly cloudy. A chance of snow. A chance of rain in the afternoon. Chance of precipitation 50 percent. Highs in the 40s. .MONDAY NIGHT...A chance of rain and snow in the evening, then rain and snow likely after midnight. Chance of precipitation 70 percent. Lows in the mid 20s to lower 30s. .TUESDAY...Snow with rain likely. Chance of precipitation 90 percent. Highs in the mid 30s to lower 40s. .TUESDAY NIGHT...Snow likely in the evening, then a chance of snow after midnight. Chance of snow 60 percent. Lows in the 20s. .WEDNESDAY...Snow likely. Chance of snow 70 percent. Highs in the mid 30s to lower 40s. $$ MTZ007-192300- Butte/Blackfoot Region- Including the cities of Anaconda, Deer Lodge, and Drummond 103 AM MST Thu Feb 19 2026 .TODAY...Mostly cloudy early in the morning then clearing. A 20 percent chance of snow late in the afternoon. Highs in the 20s to lower 30s. .TONIGHT...Partly cloudy. Very cold. Lows 2 below to 5 above zero. .FRIDAY...Mostly cloudy. A 50 percent chance of snow in the afternoon. Highs in the mid 20s to lower 30s. Southwest winds to 15 mph. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 5 to 12. West winds to 15 mph. .SATURDAY...Partly cloudy. Highs in the 30s. .SATURDAY NIGHT...Mostly clear in the evening then becoming mostly cloudy. Lows 10 to 17. .SUNDAY...Partly cloudy. Highs in the mid 30s to lower 40s. .SUNDAY NIGHT...Mostly clear. Lows 19 to 26. .MONDAY...Partly cloudy. Highs in the 40s to lower 50s. .MONDAY NIGHT...A chance of snow. A chance of rain in the evening, then rain likely after midnight. Chance of precipitation 60 percent. Lows in the mid 20s to lower 30s. .TUESDAY...Rain and snow likely. Chance of precipitation 70 percent. Highs in the upper 30s to mid 40s. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Lows 19 to 26. .WEDNESDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the mid 30s to lower 40s. $$ MTZ043-192300- Potomac/Seeley Lake Region- Including the cities of East Missoula, Seeley Lake, and Clinton 103 AM MST Thu Feb 19 2026 .TODAY...Partly cloudy. Highs in the 20s to lower 30s. .TONIGHT...Partly cloudy. Lows 3 to 10. .FRIDAY...A chance of snow in the morning, then snow likely in the afternoon. Chance of snow 70 percent. Little or no new snow accumulation. Highs in the mid 20s to lower 30s. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 7 to 14. West winds to 15 mph. .SATURDAY...Partly cloudy. Highs in the 30s. .SATURDAY NIGHT...Partly cloudy. Lows 9 to 16. .SUNDAY...Partly cloudy. Highs in the 30s to lower 40s. .SUNDAY NIGHT...Mostly clear. Lows 17 to 24. .MONDAY...Mostly cloudy. Slight chance of snow in the morning, then a chance of rain and snow in the afternoon. Chance of precipitation 40 percent. Highs in the 40s. .MONDAY NIGHT...A chance of rain in the evening, then snow with rain likely after midnight. Chance of precipitation 80 percent. Lows in the upper 20s to mid 30s. .TUESDAY...Rain and snow likely. Chance of precipitation 70 percent. Highs in the mid 30s to lower 40s. .TUESDAY NIGHT...Mostly cloudy with a chance of snow. A chance of rain in the evening. Chance of precipitation 40 percent. Lows in the 20s. .WEDNESDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the mid 30s to lower 40s. $$ IDZ009-192300- Western Lemhi County- Including the city of Shoup 103 AM MST Thu Feb 19 2026 .TODAY...Mostly sunny. Highs in the mid 20s to lower 30s. .TONIGHT...Partly cloudy. Lows 10 to 17. .FRIDAY...Mostly cloudy with a 40 percent chance of snow. Highs in the mid 20s to lower 30s. .FRIDAY NIGHT...Partly cloudy. Lows 8 to 15. .SATURDAY...Mostly sunny. Highs in the 30s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 16 to 23. .SUNDAY...Mostly cloudy in the morning then clearing. Highs in the upper 30s to mid 40s. .SUNDAY NIGHT...Mostly clear. Lows in the 20s. .MONDAY...Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 40s. .MONDAY NIGHT...A chance of rain and snow in the evening, then rain and snow likely after midnight. Chance of precipitation 60 percent. Lows in the 30s. .TUESDAY...Rain and snow likely. Chance of precipitation 80 percent. Highs in the upper 30s to mid 40s. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows in the mid 20s to lower 30s. .WEDNESDAY...Mostly cloudy with a chance of snow. A chance of rain in the afternoon. Chance of precipitation 50 percent. Highs in the mid 30s to lower 40s. $$ IDZ010-192300- Eastern Lemhi County- Including the cities of Salmon and Leadore 103 AM MST Thu Feb 19 2026 .TODAY...Partly cloudy. A 20 percent chance of snow late in the afternoon. Highs in the 20s. .TONIGHT...Partly cloudy. Lows 4 to 11. .FRIDAY...A chance of snow in the morning, then snow likely in the afternoon. Chance of snow 70 percent. Little or no new snow accumulation. Highs in the 20s to lower 30s. .FRIDAY NIGHT...Partly cloudy. Lows 3 to 10. .SATURDAY...Mostly sunny. Highs in the upper 20s to mid 30s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 12 to 19. .SUNDAY...Mostly cloudy in the morning then clearing. Highs in the mid 30s to lower 40s. .SUNDAY NIGHT...Mostly clear. Lows 17 to 24. .MONDAY...Partly cloudy. A 20 percent chance of rain and snow in the afternoon. Highs in the 40s. .MONDAY NIGHT...A chance of rain. A chance of snow in the evening, then snow likely after midnight. Chance of precipitation 70 percent. Lows in the mid 20s to lower 30s. .TUESDAY...Mostly cloudy with a 50 percent chance of rain and snow. Highs in the mid 30s to lower 40s. .TUESDAY NIGHT...Mostly cloudy with a chance of snow. A chance of rain in the evening. Chance of precipitation 50 percent. Lows in the 20s. .WEDNESDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the mid 30s to lower 40s. $$ IDZ005-192300- Northern Clearwater Mountains- Including the cities of Pierce and Elk River 1203 AM PST Thu Feb 19 2026 .TODAY...Mostly sunny. Highs in the 30s. .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a 40 percent chance of snow after midnight. Lows 14 to 21. .FRIDAY...Snow likely. Patchy fog in the morning. Chance of snow 80 percent. Little or no new snow accumulation. Highs in the upper 20s to mid 30s. .FRIDAY NIGHT...Mostly cloudy. Lows 10 to 17. .SATURDAY...Partly cloudy. Highs in the upper 30s to mid 40s. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 17 to 24. .SUNDAY...Partly cloudy. Highs in the 40s. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of rain after midnight. Lows in the mid 20s to lower 30s. .MONDAY...A chance of rain in the morning, then rain likely in the afternoon. Chance of rain 60 percent. Highs in the mid 40s to lower 50s. .MONDAY NIGHT...Rain likely. Chance of rain 90 percent. Lows in the upper 20s to mid 30s. .TUESDAY...Rain and snow likely. Chance of precipitation 80 percent. Highs in the upper 30s to mid 40s. .TUESDAY NIGHT...Rain and snow likely in the evening, then a chance of rain and snow after midnight. Chance of precipitation 60 percent. Lows in the 20s to lower 30s. .WEDNESDAY...A chance of snow in the morning, then rain and snow likely in the afternoon. Chance of precipitation 70 percent. Highs in the upper 30s to mid 40s. $$ IDZ006-192300- Southern Clearwater Mountains- Including the cities of Powell, Elk City, and Dixie 1203 AM PST Thu Feb 19 2026 .TODAY...Mostly sunny. Patchy fog early in the morning. A 20 percent chance of snow late in the afternoon. Highs in the 20s to upper 30s. .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a 40 percent chance of snow after midnight. Patchy fog after midnight. Lows 11 to 24. .FRIDAY...Snow likely. Patchy fog in the morning. Chance of snow 80 percent. Little or no new snow accumulation. Highs in the 20s to mid 30s. .FRIDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows 7 to 21. .SATURDAY...Partly cloudy. Highs in the mid 30s to lower 40s. .SATURDAY NIGHT...Mostly cloudy. Lows 16 to 29. .SUNDAY...Partly cloudy. Highs in the 40s. .SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain, light freezing rain and snow after midnight. Lows 22 to 35. .MONDAY...Mostly cloudy with a chance of rain. A chance of snow and a chance of light freezing rain in the morning. Chance of precipitation 50 percent. Highs in the 40s to lower 50s. .MONDAY NIGHT...Rain likely. Snow likely after midnight. Chance of precipitation 90 percent. Lows in the 20s to upper 30s. .TUESDAY...Rain and snow likely. Chance of precipitation 90 percent. Highs in the 30s to mid 40s. .TUESDAY NIGHT...Snow likely. Rain likely in the evening, then a chance of rain after midnight. Chance of precipitation 70 percent. Lows 21 to 34. .WEDNESDAY...Snow likely. A chance of rain in the morning, then rain likely in the afternoon. Chance of precipitation 70 percent. Highs in the upper 30s to mid 40s. $$ IDZ007-192300- Orofino/Grangeville Region- Including the city of Kooskia 1203 AM PST Thu Feb 19 2026 .TODAY...Partly cloudy. Highs in the 30s to lower 40s. .TONIGHT...Mostly cloudy. A 40 percent chance of snow after midnight. Lows in the 20s. .FRIDAY...Snow likely in the morning, then a chance of snow in the afternoon. Chance of snow 70 percent. Little or no new snow accumulation. Highs in the 30s. .FRIDAY NIGHT...Mostly cloudy. Lows 17 to 24. .SATURDAY...Partly cloudy. Highs in the upper 30s to mid 40s. .SATURDAY NIGHT...Mostly cloudy. Lows in the mid 20s to lower 30s. .SUNDAY...Mostly cloudy. Highs in the 40s. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of rain after midnight. Lows in the 30s. .MONDAY...Mostly cloudy with a chance of rain. A chance of snow in the morning. Chance of precipitation 40 percent. Highs in the mid 40s to lower 50s. .MONDAY NIGHT...Rain likely. Chance of rain 90 percent. Lows in the 30s. .TUESDAY...Rain likely. Snow likely in the morning. Chance of precipitation 70 percent. Highs in the 40s. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows in the 30s. .WEDNESDAY...A chance of snow. A chance of rain in the morning, then rain likely in the afternoon. Chance of precipitation 60 percent. Highs in the 40s. $$ IDZ008-192300- Lower Hells Canyon/Salmon River Region- Including the cities of Riggins and White Bird 1203 AM PST Thu Feb 19 2026 .TODAY...Mostly sunny. A 20 percent chance of snow late in the afternoon. Highs in the 30s to lower 40s. .TONIGHT...Partly cloudy in the evening, then mostly cloudy with a 40 percent chance of snow after midnight. Lows 19 to 26. .FRIDAY...Snow likely in the morning, then a chance of snow in the afternoon. Chance of snow 70 percent. Little or no new snow accumulation. Highs in the 30s to lower 40s. .FRIDAY NIGHT...Partly cloudy. Lows 19 to 26. South winds to 15 mph. .SATURDAY...Partly cloudy. Highs in the 30s to upper 40s. South winds 15 to 20 mph with gusts to around 30 mph. .SATURDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s to mid 30s. .SUNDAY...Mostly cloudy in the morning then clearing. Highs in the 40s to mid 50s. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain after midnight. Lows in the mid 30s to lower 40s. .MONDAY...Mostly cloudy with a chance of rain. A chance of snow in the morning. Chance of precipitation 50 percent. Highs in the 40s to mid 50s. .MONDAY NIGHT...Rain likely. Chance of rain 90 percent. Lows in the mid 30s to lower 40s. .TUESDAY...Rain and snow likely. Chance of precipitation 80 percent. Highs in the 40s to lower 50s. .TUESDAY NIGHT...Rain and snow likely in the evening, then a chance of rain and snow after midnight. Chance of precipitation 60 percent. Lows in the 30s. .WEDNESDAY...A chance of rain and snow in the morning, then rain and snow likely in the afternoon. Chance of precipitation 60 percent. Highs in the 40s to lower 50s. $$