FPUS65 KTFX 120949 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 248 AM MST Fri Dec 12 2025 MTZ301>314-316>318-130100- Central Montana- National Weather Service Great Falls MT 248 AM MST Fri Dec 12 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR East Glacier Park Region...Southern Rocky Mountain Front...Little Belt and Highwood Mountains...Snowy and Judith Mountains... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY FOR Northern High Plains...Eastern Pondera and Eastern Teton... ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM MST THIS MORNING FOR Eastern Glacier, Western Toole, and Central Pondera...Eastern Toole and Liberty...Hill County...Northern Blaine County... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR Southern High Plains...Cascade County below 5000ft...Gates of the Mountains... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY FOR Western and Central Chouteau County...Bears Paw Mountains and Southern Blaine...Judith Basin County and Judith Gap...Fergus County below 4500ft... .TODAY...Snow. Highs 5 to 15...20 to 30 in the mountains. .TONIGHT...Cloudy. Patchy blowing snow in the evening. Snow through the night. Lows 10 below to 10 above zero...10 to 25 in the mountains. .SATURDAY...Mostly cloudy. Slight chance of snow. Highs 20 to 30...25 to 35 in the mountains. .SUNDAY...Mostly cloudy. Not as cool. Lows 10 to 25. Highs 40 to 50. .MONDAY...Mostly cloudy. Lows 30 to 40. Highs 45 to 50. .TUESDAY...Partly cloudy. Slight chance of rain and snow. Lows 25 to 40. Highs 40 to 50. $$ MTZ315-319>330-130100- Southwest Montana- National Weather Service Great Falls MT 248 AM MST Fri Dec 12 2025 ...ICE STORM WARNING IN EFFECT UNTIL 10 AM MST THIS MORNING FOR Upper Blackfoot and MacDonald Pass...Helena Valley...Canyon Ferry Area... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR Big Belt, Bridger and Castle Mountains...Meagher County Valleys... .TODAY...Snow and chance of rain in the morning. Chance of rain and snow in the afternoon. Highs 40 to 50...30 to 40 in the mountains. .TONIGHT...Mostly cloudy. Lows 25 to 35. Southwest winds around 20 mph in the evening. Gusts up to 35 mph. .SATURDAY...Mostly cloudy then becoming partly cloudy. Slight chance of snow. Highs 40 to 50...30 to 40 in the mountains. .SUNDAY...Partly cloudy. Lows 25 to 35. Highs 40 to 50. .MONDAY...Mostly cloudy. Lows 25 to 40. Highs 40 to 50. .TUESDAY...Mostly cloudy. Chance of rain and snow. Lows 25 to 40. Highs 40 to 50. $$