646 FPUS65 KTFX 140359 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 958 PM MDT Mon Apr 13 2026 MTZ301>314-316>318-141200- Central Montana- National Weather Service Great Falls MT 958 PM MDT Mon Apr 13 2026 .REST OF TONIGHT...Mostly cloudy late in the evening then becoming partly cloudy. Slight chance of rain showers late in the evening. Lows 35 to 40...25 to 35 in the mountains. .TUESDAY...Partly cloudy. Highs 50 to 60...40 to 50 in the mountains. West winds 20 to 30 mph with gusts to 45 mph. .TUESDAY NIGHT...Mostly cloudy. Lows 30 to 40. West winds 20 to 25 mph in the evening. Gusts up to 40 mph. .WEDNESDAY...Mostly cloudy. Rain and snow. Highs 50 to 60. .THURSDAY...Mostly cloudy. Colder. Chance of snow. Lows 25 to 30. Highs 30 to 40. .FRIDAY...Partly cloudy. Slight chance of snow. Lows 15 to 20. Highs 40 to 45. .SATURDAY...Mostly clear. Lows 20 to 25. Highs 45 to 55. $$ MTZ315-319>330-141200- Southwest Montana- National Weather Service Great Falls MT 958 PM MDT Mon Apr 13 2026 .REST OF TONIGHT...Mostly cloudy. Slight chance of rain and snow showers late in the evening. Lows 25 to 35. .TUESDAY...Partly cloudy. Highs 50 to 60...40 to 50 in the mountains. Southwest winds 20 to 25 mph with gusts to 35 mph in the afternoon. .TUESDAY NIGHT...Increasing clouds. Lows 30 to 40...25 to 35 in the mountains. Southwest winds 20 to 25 mph with gusts to 35 mph in the evening. .WEDNESDAY...Mostly cloudy. Snow and rain. Highs 45 to 55. Southwest winds 20 to 25 mph with gusts to 45 mph. .THURSDAY...Colder, snow. Lows 20 to 30. Highs 30 to 40. .FRIDAY...Mostly cloudy. Chance of snow. Lows 15 to 20. Highs 30 to 40. .SATURDAY...Mostly clear. Lows 15 to 25. Highs 40 to 50. $$