Expires:202512261100;;223560 FPUS55 KTFX 252252 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 351 PM MST Thu Dec 25 2025 Spot temperatures and probabilities of measurable precipitation are for tonight, Friday, Friday night, and Saturday. MTZ312-261100- Cascade County below 5000ft- Including the city of Great Falls 351 PM MST Thu Dec 25 2025 .TONIGHT...Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. A 20 percent chance of rain after midnight. Lows 31 to 37. South winds 5 to 15 mph. .FRIDAY...Windy. Mostly sunny with a 20 percent chance of rain. Highs in the upper 40s. South winds 10 to 20 mph shifting to the southwest 15 to 30 mph in the afternoon. Gusts up to 45 mph. .FRIDAY NIGHT...Much colder. Partly cloudy in the evening, then mostly cloudy with a 50 percent chance of snow after midnight. Lows around 8. Southwest winds 10 to 20 mph with gusts to around 40 mph. .SATURDAY...Breezy. Much colder. Mostly cloudy. Snow in the morning, then chance of snow in the afternoon. Light snow accumulations. Highs around 18. Northwest winds 10 to 25 mph shifting to the north 10 to 15 mph in the afternoon. Chance of snow 90 percent. .SATURDAY NIGHT...Mostly cloudy in the evening then clearing. Near steady temperature around 1. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SUNDAY...Not as cold. Mostly sunny. Highs in the upper 20s. .SUNDAY NIGHT...Not as cold. Mostly clear. Near steady temperature in the lower 20s. .MONDAY...Not as cold. Mostly sunny. Highs in the lower 40s. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly cloudy. Lows around 30. Highs in the mid 40s. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain and snow. Highs in the lower 40s. Lows in the mid 20s. .NEW YEARS DAY...Mostly cloudy. Highs in the upper 30s. && TEMPERATURE / PRECIPITATION Great Falls Arpt 33 50 8 17 / 20 20 20 80 $$