Expires:202512301100;;453667 FPUS55 KMSO 292003 ZFPMSO Zone Forecast Product National Weather Service Missoula MT 103 PM MST Mon Dec 29 2025 MTZ003-301100- Flathead/Mission Valleys- Including the cities of Kalispell, Polson, and St. Ignatius 103 PM MST Mon Dec 29 2025 .TONIGHT...Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows 13 to 20. .TUESDAY...Partly cloudy. Patchy freezing fog in the morning. Highs in the upper 20s to mid 30s. .TUESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 15 to 22. .WEDNESDAY...Mostly sunny. Highs in the upper 20s to mid 30s. .WEDNESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 15 to 22. .NEW YEARS DAY...Mostly cloudy. Highs in the 30s. .THURSDAY NIGHT...Mostly cloudy. Lows in the 20s. .FRIDAY...Mostly cloudy with a chance of rain. A chance of snow in the morning. Chance of precipitation 50 percent. Highs in the mid 30s to lower 40s. .FRIDAY NIGHT...Mostly cloudy with a chance of rain. A chance of snow after midnight. Chance of precipitation 40 percent. Lows in the mid 20s to lower 30s. .SATURDAY...Mostly cloudy with a 50 percent chance of rain and snow. Highs in the mid 30s to lower 40s. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain and snow. Lows in the upper 20s to mid 30s. .SUNDAY...Mostly cloudy with a 40 percent chance of rain and snow. Highs in the mid 30s to lower 40s. .SUNDAY NIGHT...Mostly cloudy with a slight chance of rain. A chance of snow. Chance of precipitation 30 percent. Lows in the 20s to lower 30s. .MONDAY...Mostly cloudy with a 40 percent chance of rain and snow. Highs in the mid 30s to lower 40s. $$