Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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994 FPUS65 KTFX 210633 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1233 AM MDT Tue Jul 21 2026 MTZ301>314-316>318-221200- Central Montana- National Weather Service Great Falls MT 1233 AM MDT Tue Jul 21 2026 .REST OF TONIGHT...Mostly cloudy. Slight chance of drizzle after midnight. Patchy smoke. Highs 80 to 85...70 to 80 in the mountains. Lows 55 to 65...50 to 60 in the mountains. .WEDNESDAY...Partly cloudy. Highs 85 to 90...70 to 80 in the mountains. .WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 60 to 65. .THURSDAY...Partly cloudy. Slight chance of showers. 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. .SUNDAY...Mostly clear. Lows 60 to 65. Highs 90 to 100. $$ MTZ315-319>330-221200- Southwest Montana- National Weather Service Great Falls MT 1233 AM MDT Tue Jul 21 2026 .REST OF TONIGHT...Mostly cloudy. Patchy smoke. Chance of rain showers in the afternoon. Slight chance of thunderstorms in the afternoon and evening. Slight chance of rain showers in the evening. Highs 80 to 85...70 to 80 in the mountains. Lows 50 to 60. .WEDNESDAY...Mostly cloudy. Chance of showers through the day. Chance of thunderstorms in the afternoon. Highs 80 to 90...70 to 80 in the mountains. .WEDNESDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening. Showers likely through the night. Lows 50 to 60. .THURSDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Highs 75 to 85. .FRIDAY...Mostly clear. Lows 55 to 60. Highs 85 to 95. .SATURDAY...Mostly clear. Lows 55 to 65. Highs 85 to 95. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 80 to 90. $$