Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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687 FPUS65 KTFX 210938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Tue Jul 21 2026 MTZ301>314-316>318-220000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Tue Jul 21 2026 .TODAY...Mostly cloudy in the morning then becoming partly cloudy. Patchy smoke in the morning. Highs 80 to 85...70 to 80 in the mountains. .TONIGHT...Partly cloudy. Lows 55 to 65...50 to 60 in the mountains. .WEDNESDAY...Increasing clouds. Chance of showers in the afternoon and evening. Highs 85 to 90...70 to 80 in the mountains. .THURSDAY...Partly cloudy. Slight chance of showers. Lows 60 to 65. Highs 90 to 100. .FRIDAY...Mostly clear. Lows 60 to 65. Highs 95 to 105. .SATURDAY...Mostly clear. Lows 60 to 65. Highs 90 to 100. $$ MTZ315-319>330-220000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Tue Jul 21 2026 .TODAY...Increasing clouds. Patchy smoke through the day. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 80 to 85...70 to 80 in the mountains. .TONIGHT...Mostly cloudy in the evening then becoming partly cloudy. Patchy smoke in the evening. Slight chance of showers and thunderstorms through the night. Lows 55 to 60. .WEDNESDAY...Mostly cloudy. Showers likely through the day. Chance of thunderstorms in the afternoon and evening. Highs 80 to 90...70 to 80 in the mountains. .THURSDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 55 to 60. Highs 75 to 85. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 85 to 95. .SATURDAY...Mostly clear. Lows 55 to 65. Highs 85 to 95. $$