Area Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
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694 FPUS65 KTFX 200244 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 843 PM MDT Sat Sep 19 2026 MTZ301>314-316>318-201200- Central Montana- National Weather Service Great Falls MT 843 PM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy. Chance of rain. Lows 45 to 50... 40 to 45 in the mountains. .SUNDAY...Sunny. Patchy fog in the morning. Highs 65 to 75... 55 to 65 in the mountains. .SUNDAY NIGHT...Mostly clear. Lows 45 to 50...40 to 45 in the mountains. .MONDAY...Mostly clear. Highs 70 to 80. .TUESDAY...Mostly clear. Lows 45 to 50. Highs 70 to 80. .WEDNESDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. .THURSDAY...Partly cloudy. Lows 50 to 55. Highs 70 to 80. $$ MTZ315-319>330-201200- Southwest Montana- National Weather Service Great Falls MT 843 PM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy. Chance of rain early in the evening. Slight chance of rain after midnight. Patchy fog after midnight. Lows 40 to 45...35 to 40 in the mountains. .SUNDAY...Partly cloudy. Patchy fog in the morning. Highs 60 to 70...50 to 60 in the mountains. .SUNDAY NIGHT...Mostly clear. Lows 35 to 45. .MONDAY...Mostly clear. Highs 65 to 75. .TUESDAY...Mostly clear. Lows 40 to 45. Highs 65 to 75. .WEDNESDAY...Partly cloudy. Lows 40 to 50. Highs 65 to 75. .THURSDAY...Mostly clear. Lows 40 to 50. Highs 65 to 75. $$