FPUS65 KTFX 160104 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 604 PM MST Sun Feb 15 2026 MTZ301>314-316>318-161315- Central Montana- National Weather Service Great Falls MT 604 PM MST Sun Feb 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST TUESDAY FOR East Glacier Park Region...Southern Rocky Mountain Front... ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 8 PM MST TUESDAY FOR Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Eastern Toole and Liberty...Southern High Plains...Gates of the Mountains... .REST OF TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Slight chance of snow in the evening. Lows 25 to 30. .WASHINGTONS BIRTHDAY...Sunny. Highs 50 to 55...40 to 50 in the mountains. .MONDAY NIGHT...Increasing clouds. Slight chance of rain after midnight. Lows 20 to 30. .TUESDAY...Mostly cloudy. Patchy blowing snow. Snow. Highs 30 to 40. Northwest winds 20 to 25 mph with gusts to 40 mph. .WEDNESDAY...Mostly cloudy. Colder. Chance of snow. Lows 10 below to 5 above zero. Highs 5 to 15. .THURSDAY...Mostly cloudy. Chance of snow. Lows 10 below to 5 above zero. Highs 10 to 20. .FRIDAY...Mostly cloudy. Slight chance of snow. Lows 5 below to 10 above zero. Highs 20 to 30. $$ MTZ315-319>330-161315- Southwest Montana- National Weather Service Great Falls MT 604 PM MST Sun Feb 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 5 PM MST TUESDAY FOR Upper Blackfoot and MacDonald Pass...Elkhorn and Boulder Mountains...Northwest Beaverhead County... ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM MONDAY TO 5 PM MST TUESDAY FOR Ruby Mountains and Southern Beaverhead Mountains...Gallatin and Madison County Mountains and Centennial Mountains... .REST OF TONIGHT...Mostly cloudy in the evening then clearing. Slight chance of rain and snow in the evening. Lows 20 to 30. .WASHINGTONS BIRTHDAY...Partly cloudy. Highs 45 to 55...35 to 45 in the mountains. South winds 20 to 25 mph with gusts to 45 mph in the afternoon. .MONDAY NIGHT...Increasing clouds. Snow through the night. Chance of rain after midnight. Patchy blowing snow after midnight. Lows 25 to 35...20 to 30 in the mountains. South winds around 20 mph in the evening. Gusts up to 40 mph. .TUESDAY...Mostly cloudy. Patchy blowing snow. Snow. Highs 30 to 40. Southwest winds 20 to 25 mph with gusts to 45 mph. .WEDNESDAY...Mostly cloudy. Chance of snow. Lows 5 to 20. Highs 20 to 30. .THURSDAY...Mostly cloudy. Chance of snow. Lows zero to 10 above. Highs 15 to 25. .FRIDAY...Mostly cloudy. Chance of snow. Lows 5 to 10. Highs 20 to 30. $$