Expires:202512211100;;951610 FPUS55 KTFX 210503 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 1002 PM MST Sat Dec 20 2025 Spot temperatures and probabilities of measurable precipitation are for the rest of tonight, Sunday, Sunday night, and Monday. MTZ311-211100- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 1002 PM MST Sat Dec 20 2025 .REST OF TONIGHT...Not as cold. Partly cloudy in the late evening and early morning then becoming mostly cloudy. Near steady temperature in the upper 20s. Southwest winds 10 to 15 mph with gusts to around 30 mph. .SUNDAY...Partly sunny. Highs in the upper 30s. South winds up to 10 mph. Gusts up to 25 mph in the morning. .SUNDAY NIGHT...Mostly cloudy. A 20 percent chance of rain, light freezing rain and snow after midnight. Near steady temperature around 30. Southeast winds up to 10 mph. .MONDAY...Partly sunny. Highs in the lower 40s. West winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Colder. Mostly clear in the evening then becoming mostly cloudy. Lows 17 to 23. West winds up to 10 mph shifting to the south after midnight. .TUESDAY THROUGH WEDNESDAY...Mostly cloudy. Highs around 40. Lows in the upper 20s. .WEDNESDAY NIGHT...Colder. Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain and snow. Lows 16 to 22. .CHRISTMAS DAY...Colder. Mostly sunny. A 20 percent chance of snow in the morning. Highs around 30. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 20 percent chance of snow. Lows around 17. Highs in the lower 30s. .FRIDAY NIGHT...Partly cloudy. Lows around 18. .SATURDAY...Sunny. Highs in the lower 30s. $$