Expires:202512221100;;006890 FPUS55 KTFX 220507 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 1006 PM MST Sun Dec 21 2025 Spot temperatures and probabilities of measurable precipitation are for the rest of tonight, Monday, Monday night, and Tuesday. MTZ318-221100- Snowy and Judith Mountains- 1006 PM MST Sun Dec 21 2025 .REST OF TONIGHT...Mostly cloudy. Chance of light freezing rain late in the evening. Chance of rain and snow through the night. Light freezing rain likely after midnight. New snow accumulation up to 1 inch. Total snow accumulation up to 4 inches. Lows around 30. Southwest winds 5 to 15 mph. Chance of precipitation 60 percent. .MONDAY...Mostly cloudy with a 50 percent chance of rain, snow and light freezing rain in the morning, then mostly sunny in the afternoon. Highs 38 to 46. West winds 5 to 15 mph with gusts to around 35 mph. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of snow. Near steady temperature in the lower 30s. South winds up to 10 mph with gusts to around 25 mph. .TUESDAY...Mostly cloudy. Highs 41 to 49. South winds 5 to 10 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Near steady temperature in the mid 30s. South winds up to 10 mph. .WEDNESDAY...Partly sunny. Highs 45 to 51. .WEDNESDAY NIGHT...Colder. Mostly cloudy. Slight chance of rain and snow in the evening, then chance of snow after midnight. Lows in the lower 20s. Chance of precipitation 50 percent. .CHRISTMAS DAY...Colder. Partly sunny with a 40 percent chance of snow. Highs 31 to 37. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of snow. Near steady temperature in the upper 20s. .FRIDAY...Mostly cloudy. Chance of snow in the morning, then slight chance of snow in the afternoon. Highs 35 to 41. Chance of snow 40 percent. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of snow in the evening. Near steady temperature in the upper 20s. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs 34 to 40. Lows in the mid 20s. .SUNDAY...Partly sunny. Highs 39 to 47. $$