FPUS65 KTFX 270633 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1233 AM MDT Mon Apr 27 2026 MTZ301>314-316>318-281200- Central Montana- National Weather Service Great Falls MT 1233 AM MDT Mon Apr 27 2026 .REST OF TONIGHT...Partly cloudy. Chance of snow showers in the afternoon. Highs 45 to 50...30 to 40 in the mountains. Lows 15 to 30...10 to 25 in the mountains. .TUESDAY...Partly cloudy. and chance of snow through the day. Highs 50 to 60...40 to 50 in the mountains. .TUESDAY NIGHT...Mostly cloudy. Slight chance of rain. Lows 30 to 35. .WEDNESDAY...Mostly cloudy. Slight chance of rain. Highs 50 to 60. .THURSDAY...Mostly clear. Lows 30 to 35. Highs 55 to 65. .FRIDAY...Partly cloudy. Lows 35 to 40. Highs 65 to 75. .SATURDAY...Mostly cloudy. Slight chance of rain. Lows 35 to 45. Highs 55 to 65. $$ MTZ315-319>330-281200- Southwest Montana- National Weather Service Great Falls MT 1233 AM MDT Mon Apr 27 2026 .REST OF TONIGHT...Mostly cloudy. Chance of snow showers. Slight chance of thunderstorms in the afternoon, then slight chance of snow. Patchy dense fog in the morning. Highs 40 to 50...30 to 40 in the mountains. Lows 20 to 30...15 to 25 in the mountains. .TUESDAY...Increasing clouds. Chance of snow through the day. Chance of rain in the afternoon. Highs 45 to 55...35 to 45 in the mountains. .TUESDAY NIGHT...Mostly cloudy. Slight chance of rain and snow. Lows 25 to 35. .WEDNESDAY...Mostly cloudy. Chance of rain, snow and slight chance of thunderstorms. Highs 45 to 55. .THURSDAY...Mostly clear. Lows 25 to 35. Highs 50 to 60. .FRIDAY...Mostly clear. Lows 30 to 35. Highs 60 to 70. .SATURDAY...Mostly cloudy. Chance of rain. Lows 35 to 40. Highs 55 to 65. $$