Expires:202512252300;;209099 FPUS65 KTFX 251730 SFPMT State Forecast For Montana National Weather Service Great Falls MT 1030 AM MST Thu Dec 25 2025 MTZ301>314-316>318-252300- Central Montana- National Weather Service Great Falls MT 1030 AM MST Thu Dec 25 2025 .REST OF TODAY...Partly cloudy. Patchy fog late in the morning. Highs 35 to 45...40 to 50 in the mountains. .TONIGHT...Mostly cloudy. Lows 20 to 35. .FRIDAY...Mostly cloudy. Slight chance of snow through the day. Slight chance of rain in the afternoon and evening. Highs 40 to 50...30 to 40 in the mountains. Southwest winds around 20 mph with gusts to 40 mph in the afternoon. .SATURDAY...Mostly cloudy. Colder. Chance of snow. Lows 5 below to 10 above zero. Highs 20 to 30. .SUNDAY...Partly cloudy. Lows 5 below to 15 above zero. Highs 20 to 30. .MONDAY...Mostly cloudy. Lows 10 to 25. Highs 30 to 40. $$