FPUS65 KTFX 252138 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 PM MDT Sat Apr 25 2026 MTZ301>314-316>318-261200- Central Montana- National Weather Service Great Falls MT 337 PM MDT Sat Apr 25 2026 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT SUNDAY FOR East Glacier Park Region...Northern High Plains... .TONIGHT...Mostly cloudy. Chance of snow showers in the evening, then chance of snow after midnight. Lows 20 to 25...10 to 20 in the mountains. .SUNDAY...Mostly cloudy. Chance of snow in the morning, then chance of snow showers in the afternoon. Highs 35 to 40...25 to 35 in the mountains. .SUNDAY NIGHT...Mostly cloudy. Chance of snow showers through the night. Lows 15 to 25...10 to 20 in the mountains. .MONDAY...Mostly cloudy. Chance of snow showers. Highs 40 to 50. .TUESDAY...Partly cloudy. Chance of rain. Lows in the mid 20s. Highs 50 to 60. .WEDNESDAY...Partly cloudy. Slight chance of rain. Lows 30 to 35. Highs 50 to 60. .THURSDAY...Mostly clear. Lows 30 to 35. Highs 55 to 65. $$ MTZ315-319>330-261200- Southwest Montana- National Weather Service Great Falls MT 337 PM MDT Sat Apr 25 2026 .TONIGHT...Mostly cloudy. Slight chance of snow showers in the evening. Slight chance of snow after midnight. Lows 15 to 25. .SUNDAY...Mostly cloudy. Slight chance of snow in the morning. Highs 35 to 45...30 to 40 in the mountains. .SUNDAY NIGHT...Mostly cloudy. Snow showers likely. Lows 20 to 30...15 to 25 in the mountains. .MONDAY...Mostly cloudy. Snow showers likely. Highs 35 to 45. .TUESDAY...Mostly cloudy. Chance of rain and snow. Lows 20 to 30. Highs 40 to 50. .WEDNESDAY...Mostly cloudy. Chance of rain showers, slight chance of thunderstorms and snow. Lows 25 to 35. Highs 45 to 55. .THURSDAY...Mostly clear. Lows 25 to 30. Highs 50 to 60. $$