Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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855 FPUS65 KTFX 162049 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT Issued by National Weather Service Missoula MT 248 PM MDT Thu Jul 16 2026 MTZ301>314-316>318-171200- Central Montana- National Weather Service Great Falls MT 248 PM MDT Thu Jul 16 2026 .TONIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows 60 to 65...50 to 60 in the mountains. .FRIDAY...Sunny. Chance of thunderstorms in the afternoon. Some thunderstorms may be severe. Highs 85 to 95...75 to 85 in the mountains. .FRIDAY NIGHT...Mostly cloudy. Chance of showers and thunderstorms through the night. Some thunderstorms may be severe. Lows 60 to 65...55 to 60 in the mountains. .SATURDAY...Mostly clear. Slight chance of showers and thunderstorms. Highs 85 to 95. .SUNDAY...Mostly clear. Lows 60 to 65. Highs 85 to 95. .MONDAY...Partly cloudy. Lows 55 to 60. Highs 75 to 85. .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 60. Highs 75 to 85. $$ MTZ315-319>330-171200- Southwest Montana- National Weather Service Great Falls MT 248 PM MDT Thu Jul 16 2026 ...FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT MDT TONIGHT FOR Big Belt, Bridger and Castle Mountains... .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Slight chance of showers and thunderstorms in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows 50 to 60. .FRIDAY...Increasing clouds. Chance of thunderstorms in the afternoon. Some thunderstorms may be severe. Highs 85 to 95... 75 to 85 in the mountains. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Chance of showers and thunderstorms. Some thunderstorms may be severe. Lows 50 to 60. .SATURDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs 80 to 90. .SUNDAY...Mostly clear. Lows 50 to 60. Highs 80 to 90. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 60. Highs 75 to 85. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 55 to 60. Highs 75 to 85. $$