FPUS65 KTFX 130630 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1229 AM MDT Mon Apr 13 2026 MTZ301>314-316>318-141200- Central Montana- National Weather Service Great Falls MT 1229 AM MDT Mon Apr 13 2026 .REST OF TONIGHT...Mostly cloudy. Patchy fog. Chance of rain. Slight chance of rain in the evening. Highs 50 to 60...40 to 50 in the mountains. 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 40 mph. .TUESDAY NIGHT...Increasing clouds. Lows 35 to 40. West winds 20 to 25 mph with gusts to 35 mph in the evening. .WEDNESDAY...Mostly cloudy. Chance of rain and snow. Highs 50 to 60. .THURSDAY...Colder. Snow and rain. Lows 20 to 30. Highs 30 to 40. .FRIDAY...Partly cloudy. Slight chance of snow. Lows 15 to 20. Highs 40 to 45. .SATURDAY...Partly cloudy. Lows 20 to 25. Highs 45 to 55. $$ MTZ315-319>330-141200- Southwest Montana- National Weather Service Great Falls MT 1229 AM MDT Mon Apr 13 2026 .REST OF TONIGHT...Mostly cloudy. Chance of snow. Chance of rain in the afternoon, then slight chance of rain and snow in the evening. Highs 45 to 55...35 to 45 in the mountains. Lows 25 to 35. West winds around 20 mph with gusts to 35 mph. .TUESDAY...Partly cloudy. Highs 50 to 60...40 to 50 in the mountains. Southwest winds around 20 mph with gusts to 35 mph in the afternoon. .TUESDAY NIGHT...Increasing clouds. Lows 30 to 40...25 to 35 in the mountains. Gusts up to 35 mph in the evening. .WEDNESDAY...Mostly cloudy. Snow and rain. Highs 45 to 55. Southwest winds 20 to 25 mph with gusts to 45 mph. .THURSDAY...Colder, snow. Lows 20 to 30. Highs 25 to 35. .FRIDAY...Mostly cloudy. Chance of snow. Lows 15 to 20. Highs 30 to 40. .SATURDAY...Mostly clear. Lows 15 to 25. Highs 40 to 50. $$