FPUS65 KTFX 180100 SFPMT State Forecast For Montana National Weather Service Great Falls MT 600 PM MST Tue Feb 17 2026 MTZ001>007-043-181100- West of the Continental Divide- National Weather Service Missoula MT 600 PM MST Tue Feb 17 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 5 PM MST WEDNESDAY for Kootenai/Cabinet Region... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY for West Glacier Region... ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST WEDNESDAY for Flathead/Mission Valleys... ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 11 PM MST WEDNESDAY for Lower Clark Fork Region... ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM MST WEDNESDAY for Bitterroot/Sapphire Mountains... .TONIGHT...Partly cloudy with a slight chance of snow. Lows 8 to 15. .WEDNESDAY...Mostly cloudy with a chance of snow. Highs in the 20s. .WEDNESDAY NIGHT...Mostly cloudy. Lows 2 to 9. .THURSDAY...Mostly cloudy. Highs in the upper 20s to mid 30s. .FRIDAY...Mostly cloudy with a chance of snow. Lows 3 to 10. Highs in the upper 20s to mid 30s. .SATURDAY...Partly cloudy. Lows 7 to 14. Highs in the 30s to lower 40s. .SUNDAY...Mostly cloudy. Lows 9 to 16. Highs in the upper 30s to mid 40s. $$ MTZ301>314-316>318-181100- Central Montana- National Weather Service Great Falls MT 600 PM MST Tue Feb 17 2026 ...EXTREME COLD WARNING REMAINS IN EFFECT UNTIL NOON MST WEDNESDAY FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Eastern Toole and Liberty... ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR Hill County...Bears Paw Mountains and Southern Blaine...Judith Basin County and Judith Gap...Fergus County below 4500ft...Little Belt and Highwood Mountains...Snowy and Judith Mountains... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING FOR Northern Blaine County... ...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON MST WEDNESDAY FOR Southern Rocky Mountain Front...Southern High Plains...Eastern Pondera and Eastern Teton...Western and Central Chouteau County...Cascade County below 5000ft...Gates of the Mountains... .TONIGHT...Mostly cloudy. Patchy blowing snow through the night. Slight chance of snow in the evening. Chance of snow after midnight. Lows 15 below to zero. Northwest winds 20 to 30 mph. Gusts up to 45 mph. .WEDNESDAY...Mostly cloudy. Patchy blowing snow in the morning. Chance of snow through the day. Highs 5 below to 10 above zero. Northwest winds around 20 mph in the morning. .WEDNESDAY NIGHT...Mostly cloudy. Chance of snow through the night. Lows 5 below to 15 below zero. .THURSDAY...Mostly cloudy. Slight chance of snow. Highs 5 to 15. .FRIDAY...Partly cloudy. Slight chance of snow. Lows 5 below to 10 above zero. Highs 20 to 30. .SATURDAY...Partly cloudy. Lows zero to 10 above. Highs 20 to 30. .SUNDAY...Mostly cloudy. Slight chance of snow. Lows zero to 15 above. Highs 25 to 35. $$ MTZ315-319>330-181100- Southwest Montana- National Weather Service Great Falls MT 600 PM MST Tue Feb 17 2026 ...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON MST WEDNESDAY FOR Upper Blackfoot and MacDonald Pass... .TONIGHT...Increasing clouds. Patchy blowing snow in the evening. Slight chance of snow in the evening. Chance of snow after midnight. Lows 5 to 20...zero to 15 above in the mountains. .WEDNESDAY...Cloudy. Patchy blowing snow in the morning. Snow likely through the day. Highs 15 to 25...10 to 20 in the mountains. .WEDNESDAY NIGHT...Mostly cloudy. Snow likely. Lows 5 below to 5 above zero. .THURSDAY...Mostly cloudy. Chance of snow. Highs 15 to 25. .FRIDAY...Mostly cloudy. Slight chance of snow. Lows zero to 10 above. Highs 20 to 30. .SATURDAY...Mostly clear. Lows zero to 15 above. Highs 25 to 35. .SUNDAY...Partly cloudy. Lows 10 to 25. Highs 30 to 40. $$ MTZ016>027-059>062-181100- Northeast Montana- National Weather Service Glasgow MT 600 PM MST Tue Feb 17 2026 ...BLIZZARD WARNING IN EFFECT UNTIL 5 PM MST WEDNESDAY... ...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST WEDNESDAY... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MST WEDNESDAY... .TONIGHT...Mostly cloudy with a chance of light snow. Patchy blowing snow in the evening. Areas of blowing snow after midnight. Lows zero to 10 above. .WEDNESDAY...Mostly cloudy. Patchy blowing snow in the morning. Patchy blowing snow in the afternoon. Highs 10 to 20. .WEDNESDAY NIGHT...Patchy blowing snow in the evening. Mostly cloudy with a chance of light snow. Lows 5 below to zero. .THURSDAY...Mostly cloudy with a chance of light snow. Highs zero to 10 above. .FRIDAY...Partly cloudy. Highs 18 to 23. Lows 5 below to 5 above zero. .SATURDAY...Partly cloudy. Highs in the lower to mid 20s. Lows 5 below to 5 above zero. .SUNDAY...Partly cloudy. Highs in the 20s. Lows zero to 10 above. $$ MTZ028>042-056>058-063>068-181100- South Central and Southeast Montana- National Weather Service Billings MT 600 PM MST Tue Feb 17 2026 ...High Wind Warning in effect until 8 PM MST this evening for most of South Central Montana... and most of Southeast Montana... ...High Wind Warning in effect until 2 AM MST Wednesday for portions of Southeast Montana... .TONIGHT...Partly cloudy. Patchy blowing snow west...and numerous snow showers east. Lows of 5 above to 20 above zero. .WEDNESDAY...Partly sunny. Chance of snow showers. Highs in the mid teens to upper 20s. .WEDNESDAY NIGHT...Snow showers. Lows to the single digits above zero. .THURSDAY...Mostly cloudy. Chance of snow showers west...and snow showers likely east. Highs around 10 to the upper 20s. .THURSDAY NIGHT...Partly cloudy. Slight chance of snow showers. Lows in the lower single digits below zero to around 10. .FRIDAY...Mostly sunny. Highs in the mid 20s to the mid 30s. .FRIDAY NIGHT...Mostly cloudy. Lows of 5 above to 20 above zero. .SATURDAY...Mostly sunny. Highs in the upper 20s to the upper 30s. .SATURDAY NIGHT...Mostly clear. Lows in the lower single digits above zero to the mid teens above zero. .SUNDAY...Mostly sunny. Highs of around 30 to around 40. $$