FPUS65 KTFX 162138 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 PM MDT Fri Oct 16 2026 MTZ301>314-316>318-171200- Central Montana- National Weather Service Great Falls MT 337 PM MDT Fri Oct 16 2026 ...HIGH WIND WARNING IN EFFECT FROM 9 AM SATURDAY TO MIDNIGHT MDT SATURDAY NIGHT FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern Rocky Mountain Front...Southern High Plains... .TONIGHT...Partly cloudy. Lows 40 to 50...35 to 45 in the mountains. .SATURDAY...Partly cloudy. Highs 65 to 75...55 to 65 in the mountains. Southwest winds 20 to 30 mph. Gusts up to 40 mph increasing to 50 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. Lows 35 to 40. West winds 20 to 25 mph with gusts to 45 mph in the evening. .SUNDAY...Mostly clear. Highs 55 to 60. .MONDAY...Partly cloudy. Lows 35 to 40. Highs 60 to 65. .TUESDAY...Mostly cloudy. Lows 40 to 45. Highs 55 to 65. .WEDNESDAY...Partly cloudy. Lows 35 to 40. Highs 55 to 60. $$ MTZ315-319>330-171200- Southwest Montana- National Weather Service Great Falls MT 337 PM MDT Fri Oct 16 2026 .TONIGHT...Partly cloudy. Lows 30 to 40. .SATURDAY...Partly cloudy. Highs 55 to 65...50 to 60 in the mountains. .SATURDAY NIGHT...Partly cloudy. Lows 30 to 40. .SUNDAY...Mostly clear. Highs 50 to 60. .MONDAY...Mostly clear. Lows 30 to 35. Highs 55 to 65. .TUESDAY...Partly cloudy. Slight chance of rain. Lows 35 to 40. Highs 50 to 60. .WEDNESDAY...Partly cloudy. Slight chance of rain. Lows 30 to 40. Highs 50 to 60. $$