FPUS65 KTFX 030635 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1234 AM MDT Fri Apr 3 2026 MTZ301>314-316>318-041200- Central Montana- National Weather Service Great Falls MT 1234 AM MDT Fri Apr 3 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING FOR East Glacier Park Region...Southern Rocky Mountain Front... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY FOR Cascade County below 5000ft...Judith Basin County and Judith Gap...Fergus County below 4500ft...Snowy and Judith Mountains... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY FOR Little Belt and Highwood Mountains... .REST OF TONIGHT...Mostly cloudy. Slight chance of rain after midnight. Chance of snow. Patchy blowing snow. Patchy fog after midnight. Highs 40 to 50...30 to 40 in the mountains. Lows 25 to 30. .SATURDAY...Sunny. Highs 50 to 55...40 to 50 in the mountains. West winds around 20 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 25 to 30. .SUNDAY...Mostly cloudy. Highs 45 to 50. .MONDAY...Mostly cloudy. Lows 25 to 30. Highs 50 to 55. .TUESDAY...Mostly cloudy. Chance of rain. Lows 30 to 40. Highs 60 to 70. .WEDNESDAY...Mostly cloudy. Colder. Chance of snow. Lows 25 to 30. Highs 35 to 45. $$ MTZ315-319>330-041200- Southwest Montana- National Weather Service Great Falls MT 1234 AM MDT Fri Apr 3 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING FOR Upper Blackfoot and MacDonald Pass...Elkhorn and Boulder Mountains...Northwest Beaverhead County...Ruby Mountains and Southern Beaverhead Mountains... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY FOR Big Belt, Bridger and Castle Mountains...Gallatin and Madison County Mountains and Centennial Mountains... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY FOR Gallatin Valley... .REST OF TONIGHT...Partly cloudy. Chance of snow. Patchy blowing snow after midnight. Patchy fog after midnight. Highs 40 to 50... 30 to 40 in the mountains. Lows 20 to 30...15 to 25 in the mountains. .SATURDAY...Sunny. Patchy fog in the morning. Highs 50 to 60... 40 to 50 in the mountains. .SATURDAY NIGHT...Mostly clear. Lows 25 to 30. .SUNDAY...Partly cloudy. Highs 50 to 60. .MONDAY...Partly cloudy. Lows 30 to 35. Highs 50 to 60. .TUESDAY...Partly cloudy. Slight chance of rain. Lows 30 to 40. Highs 55 to 65. .WEDNESDAY...Mostly cloudy. Cooler. Chance of snow and rain. Lows 30 to 35. Highs 40 to 50. $$