Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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434 FPUS65 KTFX 180633 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1232 AM MDT Sat Jul 18 2026 MTZ301>314-316>318-191200- Central Montana- National Weather Service Great Falls MT 1233 AM MDT Sat Jul 18 2026 .REST OF TONIGHT...Partly cloudy. Slight chance of showers and thunderstorms. Chance of showers and thunderstorms. Highs 90 to 95...75 to 85 in the mountains. Lows 55 to 65...50 to 60 in the mountains. .SUNDAY...Sunny. Highs 85 to 95...75 to 85 in the mountains. .SUNDAY NIGHT...Mostly clear. Lows 55 to 60. .MONDAY...Mostly clear. Highs 75 to 85. .TUESDAY...Partly cloudy. Lows 55 to 60. Highs 80 to 90. .WEDNESDAY...Partly cloudy. Slight chance of showers. Lows 55 to 65. Highs 85 to 95. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 60 to 65. Highs 85 to 95. $$ MTZ315-319>330-191200- Southwest Montana- National Weather Service Great Falls MT 1233 AM MDT Sat Jul 18 2026 .REST OF TONIGHT...Partly cloudy. Slight chance of showers and thunderstorms. Chance of showers and thunderstorms. Highs 85 to 90...70 to 80 in the mountains. Lows 50 to 60. .SUNDAY...Sunny. Highs 85 to 95...75 to 85 in the mountains. .SUNDAY NIGHT...Mostly clear. Lows 50 to 60. .MONDAY...Mostly clear. Highs 75 to 85. .TUESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 60. Highs 75 to 85. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 60. Highs 80 to 90. .THURSDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 55 to 60. Highs 75 to 85. $$