FPUS65 KTFX 051834 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1233 PM MDT Wed Aug 5 2026 MTZ301>314-316>318-060000- Central Montana- National Weather Service Great Falls MT 1233 PM MDT Wed Aug 5 2026 .REST OF TODAY...Sunny. Highs 80 to 85...70 to 80 in the mountains. .TONIGHT...Mostly clear. Patchy smoke. Lows 50 to 60. .THURSDAY...Sunny then becoming mostly clear. Patchy smoke in the morning, then areas of smoke in the afternoon and evening. Highs 80 to 90...70 to 80 in the mountains. .FRIDAY...Mostly clear. Lows 50 to 55. Highs 85 to 90. .SATURDAY...Mostly clear. Lows 55 to 60. Highs 85 to 95. .SUNDAY...Mostly clear. Lows 55 to 60. Highs 80 to 90. $$ MTZ315-319>330-060000- Southwest Montana- National Weather Service Great Falls MT 1233 PM MDT Wed Aug 5 2026 .REST OF TODAY...Sunny. Patchy smoke. Highs 80 to 85...70 to 75 in the mountains. .TONIGHT...Mostly clear. Patchy smoke in the evening, then areas of smoke after midnight. Lows 50 to 60. .THURSDAY...Sunny then becoming mostly clear. Areas of smoke. Highs 80 to 90...70 to 80 in the mountains. .FRIDAY...Mostly clear. Areas of smoke. Lows 50 to 60. Highs 85 to 95. .SATURDAY...Mostly clear. Lows 55 to 60. Highs 80 to 90. .SUNDAY...Mostly clear. Lows 50 to 60. Highs 80 to 90. $$