FPUS65 KTFX 070339 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 938 PM MDT Sat Jun 6 2026 MTZ301>314-316>318-071200- Central Montana- National Weather Service Great Falls MT 938 PM MDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 50...30 to 45 in the mountains. .SUNDAY...Mostly cloudy. Rain showers likely and slight chance of thunderstorms through the day. Chance of rain in the afternoon. Highs 55 to 60...40 to 50 in the mountains. West winds 20 to 25 mph with gusts to 35 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows 35 to 40...30 to 35 in the mountains. West winds 20 to 25 mph in the evening. Gusts up to 40 mph. .MONDAY...Partly cloudy. Warmer. Highs 65 to 75. .TUESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Highs 60 to 70. .WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Highs 55 to 65. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Highs 55 to 65. $$ MTZ315-319>330-071200- Southwest Montana- National Weather Service Great Falls MT 938 PM MDT Sat Jun 6 2026 .REST OF TONIGHT...Mostly cloudy. Slight chance of rain late in the evening. Chance of rain showers and slight chance of thunderstorms after midnight. Lows 35 to 45. .SUNDAY...Mostly cloudy. Chance of rain showers, snow and slight chance of thunderstorms. Highs 50 to 60...45 to 55 in the mountains. West winds 20 to 25 mph in the afternoon. Gusts up to 40 mph. .SUNDAY NIGHT...Increasing clouds. Colder. Lows 25 to 35. .MONDAY...Mostly cloudy. Highs 55 to 65. .TUESDAY...Rain showers and chance of thunderstorms. Lows 40 to 50. Highs 55 to 65. .WEDNESDAY...Mostly cloudy. Chance of rain showers, thunderstorms and snow. Lows 30 to 40. Highs 50 to 60. .THURSDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 30 to 35. Highs 50 to 60. $$