Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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777 FPUS65 KTFX 312138 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 PM MDT Sun May 31 2026 MTZ301>314-316>318-011200- Central Montana- National Weather Service Great Falls MT 337 PM MDT Sun May 31 2026 .TONIGHT...Rain. Lows 35 to 40. Northwest winds 25 to 35 mph with gusts to 50 mph. .MONDAY...Cloudy. Rain in the morning, then rain showers likely in the afternoon. Highs 45 to 55...40 to 50 in the mountains. West winds 20 to 30 mph with gusts to 40 mph. .MONDAY NIGHT...Cloudy. Chance of rain showers. Lows 35 to 40. West winds 20 to 30 mph with gusts to 40 mph. .TUESDAY...Mostly cloudy. Chance of rain showers. Highs 50 to 60. West winds 20 to 25 mph with gusts to 35 mph. .WEDNESDAY...Mostly cloudy. Slight chance of rain showers. Lows 35 to 45. Highs 60 to 70. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Highs 65 to 75. .FRIDAY...Partly cloudy. Slight chance of rain showers. Lows 40 to 50. Highs 70 to 80. $$ MTZ315-319>330-011200- Southwest Montana- National Weather Service Great Falls MT 337 PM MDT Sun May 31 2026 .TONIGHT...Mostly cloudy. Chance of rain showers. Lows 30 to 40. .MONDAY...Mostly cloudy. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Highs 55 to 65... 45 to 55 in the mountains. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 30 to 40. .TUESDAY...Mostly cloudy. Chance of rain showers. Highs 55 to 65. .WEDNESDAY...Partly cloudy. Lows 35 to 40. Highs 60 to 70. .THURSDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. Highs 60 to 70. .FRIDAY...Mostly clear. Lows 40 to 45. Highs 65 to 75. $$