FPUS65 KTFX 260938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Sun Apr 26 2026 MTZ301>314-316>318-270000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Sun Apr 26 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY FOR East Glacier Park Region...Northern High Plains... .TODAY...Cloudy. Chance of snow showers. Highs 30 to 40...25 to 35 in the mountains. .TONIGHT...Mostly cloudy. Slight chance of snow showers through the night. Lows 15 to 25...10 to 20 in the mountains. .MONDAY...Mostly cloudy. Chance of snow showers through the day. Highs 40 to 50...30 to 40 in the mountains. .TUESDAY...Partly cloudy. Chance of rain and snow showers. Lows in the mid 20s. Highs 50 to 60. .WEDNESDAY...Partly cloudy. Chance of rain showers. Lows 30 to 35. Highs 50 to 60. .THURSDAY...Mostly clear. Lows 30 to 35. Highs 55 to 65. $$ MTZ315-319>330-270000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Sun Apr 26 2026 .TODAY...Mostly cloudy. Slight chance of snow showers in the morning, then chance of snow showers in the afternoon. Highs 35 to 45...30 to 40 in the mountains. .TONIGHT...Mostly cloudy. Chance of snow showers. Lows 20 to 30... 15 to 25 in the mountains. .MONDAY...Mostly cloudy. Snow showers likely through the day. Slight chance of thunderstorms in the afternoon and evening. Highs 40 to 50...30 to 40 in the mountains. .TUESDAY...Partly cloudy. Chance of rain and snow showers. Lows 20 to 30. Highs 40 to 50. .WEDNESDAY...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms. Lows 25 to 30. Highs 45 to 55. .THURSDAY...Mostly clear. Lows 25 to 35. Highs 50 to 60. $$