FPUS65 KTFX 110635 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1234 AM MDT Sat Apr 11 2026 MTZ301>314-316>318-121200- Central Montana- National Weather Service Great Falls MT 1234 AM MDT Sat Apr 11 2026 .REST OF TONIGHT...Mostly cloudy. Chance of rain in the afternoon. Chance of rain showers in the evening, then slight chance of rain showers after midnight. Highs 65 to 75...55 to 65 in the mountains. Lows 35 to 45. .SUNDAY...Increasing clouds. Chance of rain showers through the day. Highs 50 to 60...45 to 55 in the mountains. .SUNDAY NIGHT...Mostly cloudy. Rain. Lows 35 to 40...30 to 35 in the mountains. .MONDAY...Mostly cloudy. Chance of rain and snow likely. Highs 50 to 60. .TUESDAY...Partly cloudy. Lows 35 to 40. Highs 50 to 60. .WEDNESDAY...Mostly cloudy. Chance of rain and snow. Lows 30 to 40. Highs 50 to 60. .THURSDAY...Mostly cloudy. Colder. Chance of snow. Lows 25 to 30. Highs 35 to 45. $$ MTZ315-319>330-121200- Southwest Montana- National Weather Service Great Falls MT 1234 AM MDT Sat Apr 11 2026 .REST OF TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon and evening. Chance of snow showers in the evening. Highs 60 to 70...50 to 60 in the mountains. Lows 30 to 45. Southwest winds around 20 mph with gusts to 45 mph. .SUNDAY...Increasing clouds. Rain and snow showers through the day. Slight chance of thunderstorms in the afternoon. Highs 50 to 60...45 to 55 in the mountains. .SUNDAY NIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening. Snow likely through the night. Chance of rain after midnight. Lows 30 to 40...25 to 35 in the mountains. .MONDAY...Mostly cloudy. Chance of rain and snow. Highs 40 to 50. .TUESDAY...Mostly cloudy. Slight chance of snow. Lows 30 to 35. Highs 45 to 55. .WEDNESDAY...Snow and rain likely. Lows 30 to 35. Highs 45 to 55. .THURSDAY...Colder. Snow likely. Lows 25 to 30. Highs 30 to 40. $$