FPUS65 KTFX 120704 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1203 AM MST Fri Dec 12 2025 MTZ301>314-316>318-131300- Central Montana- National Weather Service Great Falls MT 1203 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 FROM 4 AM EARLY THIS MORNING TO 5 AM MST SATURDAY FOR Northern High Plains...Eastern Pondera and Eastern Teton... ...COLD WEATHER ADVISORY 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 FROM 4 AM EARLY THIS MORNING TO 5 AM MST SATURDAY FOR Western and Central Chouteau County...Bears Paw Mountains and Southern Blaine... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY FOR Judith Basin County and Judith Gap...Fergus County below 4500ft... .REST OF TONIGHT...Snow. Patchy blowing snow in the evening. Highs 5 to 15...20 to 30 in the mountains. Lows 10 below to 10 above zero...5 to 20 in the mountains. .SATURDAY...Mostly cloudy. Slight chance of snow. Highs 20 to 30...25 to 35 in the mountains. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 10 to 25...20 to 35 in the mountains. Temperatures rising into the lower 30s after midnight. .SUNDAY...Mostly cloudy. Much warmer. 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. .WEDNESDAY...Mostly cloudy. Chance of snow and rain. Lows 15 to 30. Highs 35 to 40. $$ MTZ315-319>330-131300- Southwest Montana- National Weather Service Great Falls MT 1203 AM MST Fri Dec 12 2025 ...ICE STORM WARNING IN EFFECT UNTIL 10 AM MST THIS MORNING FOR Upper Blackfoot and MacDonald Pass...Helena Valley...Canyon Ferry Area... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR Big Belt, Bridger and Castle Mountains...Meagher County Valleys... .REST OF TONIGHT...Rain with possible freezing rain, freezing drizzle and drizzle likely after midnight. Snow. Chance of rain. Highs 40 to 50...30 to 40 in the mountains. Lows 25 to 40. Southwest winds around 20 mph with gusts to 35 mph. .SATURDAY...Mostly cloudy. Slight chance of snow. Highs 40 to 50...30 to 40 in the mountains. .SATURDAY NIGHT...Partly cloudy. Lows 25 to 35...20 to 30 in the mountains. .SUNDAY...Partly cloudy. Highs 40 to 50. .MONDAY...Mostly cloudy. Lows 25 to 40. Highs 40 to 50. .TUESDAY...Mostly cloudy. Chance of rain and snow. Lows 25 to 40. Highs 40 to 50. .WEDNESDAY...Mostly cloudy. Chance of snow. Lows 20 to 30. Highs 30 to 40. $$