FPUS65 KTFX 130135 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 635 PM MST Fri Dec 12 2025 MTZ301>314-316>318-131345- Central Montana- National Weather Service Great Falls MT 635 PM MST Fri Dec 12 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY FOR Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Eastern Pondera and Eastern Teton... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY FOR Eastern Toole and Liberty...Hill County...Northern Blaine County...Western and Central Chouteau County...Bears Paw Mountains and Southern Blaine...Judith Basin County and Judith Gap...Fergus County below 4500ft... ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SATURDAY FOR Snowy and Judith Mountains... .TONIGHT...Patchy blowing snow in the evening. Snow and slight chance of freezing rain in the evening, then chance of snow and freezing rain after midnight. Lows 10 below to 10 above zero... 10 to 25 in the mountains. .SATURDAY...Mostly cloudy. Slight chance of light freezing rain and snow. Highs 20 to 30...30 to 40 in the mountains. .SATURDAY NIGHT...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...Mostly cloudy. Slight chance of rain and snow. Lows 25 to 40. Highs 40 to 50. .WEDNESDAY...Mostly cloudy. Chance of snow and rain. Lows 20 to 35. Highs 35 to 45. $$ MTZ315-319>330-131345- Southwest Montana- National Weather Service Great Falls MT 635 PM MST Fri Dec 12 2025 .TONIGHT...Partly cloudy. Slight chance of light freezing rain. Lows 20 to 35. Southwest winds around 20 mph in the evening. Gusts up to 35 mph. .SATURDAY...Partly cloudy. Slight chance of light freezing rain. Highs 40 to 50...35 to 40 in the mountains. .SATURDAY NIGHT...Mostly clear. Lows 25 to 35. .SUNDAY...Partly cloudy. Highs 40 to 50. .MONDAY...Mostly cloudy. Lows 25 to 40. Highs 40 to 50. .TUESDAY...Mostly cloudy. Chance of rain and snow. Lows 25 to 40. Highs 40 to 50. .WEDNESDAY...Mostly cloudy. Chance of snow. Lows 20 to 35. Highs 30 to 40. $$