Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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899 FPUS65 KTFX 192138 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 PM MDT Wed Aug 19 2026 MTZ301>314-316>318-201200- Central Montana- National Weather Service Great Falls MT 337 PM MDT Wed Aug 19 2026 .TONIGHT...Partly cloudy. Patchy smoke. Lows 55 to 60...50 to 55 in the mountains. .THURSDAY...Sunny. Patchy smoke in the afternoon. Highs 85 to 90...75 to 85 in the mountains. .THURSDAY NIGHT...Mostly clear. Lows 50 to 60. .FRIDAY...Mostly clear. Highs 80 to 90. .SATURDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows 55 to 60. Highs 80 to 90. .SUNDAY...Partly cloudy. Lows 55 to 60. Highs 80 to 90. .MONDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85. $$ MTZ315-319>330-201200- Southwest Montana- National Weather Service Great Falls MT 337 PM MDT Wed Aug 19 2026 .TONIGHT...Mostly clear. Lows 45 to 55. .THURSDAY...Sunny. Highs 80 to 90...70 to 80 in the mountains. .THURSDAY NIGHT...Partly cloudy. Lows 50 to 60. .FRIDAY...Partly cloudy. Highs 80 to 90. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 55 to 60. Highs 75 to 85. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 50 to 55. Highs 70 to 80. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 45 to 55. Highs 70 to 80. $$