Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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458 FPUS65 KTFX 231454 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 853 AM MDT Sun Aug 23 2026 MTZ301>314-316>318-240000- Central Montana- National Weather Service Great Falls MT 853 AM MDT Sun Aug 23 2026 .REST OF TODAY...Partly cloudy. Slight chance of showers early in the morning. Slight chance of thunderstorms through the day. Chance of showers in the afternoon. Patchy smoke in the afternoon. Some thunderstorms may be severe in the afternoon. Highs 80 to 90...70 to 80 in the mountains. .TONIGHT...Mostly clear. Slight chance of thunderstorms. Some thunderstorms may be severe. Lows 50 to 60...45 to 55 in the mountains. .MONDAY...Mostly clear. Highs 75 to 80...65 to 75 in the mountains. .TUESDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85. .WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 80 to 90. .THURSDAY...Partly cloudy. Slight chance of showers. Lows 55 to 60. Highs 80 to 90. $$ MTZ315-319>330-240000- Southwest Montana- National Weather Service Great Falls MT 853 AM MDT Sun Aug 23 2026 .REST OF TODAY...Partly cloudy. Chance of showers and thunderstorms in the afternoon. Highs 75 to 85...65 to 75 in the mountains. Southwest winds 20 to 25 mph with gusts to 35 mph in the afternoon. .TONIGHT...Mostly clear. Patchy smoke. Lows 45 to 50. .MONDAY...Sunny in the morning then becoming partly cloudy. Patchy smoke in the morning. Highs 75 to 85...65 to 75 in the mountains. .TUESDAY...Partly cloudy. Lows 45 to 55. Highs 70 to 80. .WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45 to 55. Highs 75 to 85. .THURSDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 45 to 55. Highs 75 to 85. $$