Expires:202512211100;;931456 FPUS55 KMSO 202004 ZFPMSO Zone Forecast Product National Weather Service Missoula MT 103 PM MST Sat Dec 20 2025 MTZ003-211100- Flathead/Mission Valleys- Including the cities of Kalispell, Polson, and St. Ignatius 103 PM MST Sat Dec 20 2025 .TONIGHT...Mostly cloudy with a 40 percent chance of areas of snow. Lows in the 20s. South winds to 15 mph in the evening. .SUNDAY...Mostly cloudy. A 20 percent chance of snow in the afternoon. Highs in the 30s. .SUNDAY NIGHT...A chance of rain and snow in the evening, then snow with rain likely after midnight. Chance of precipitation 80 percent. Little or no new snow accumulation. Lows in the mid 20s to lower 30s. .MONDAY...Rain and snow likely in the morning, then slight chance of rain and snow in the afternoon. Chance of precipitation 60 percent. Snow level 3000 feet. Highs in the mid 30s to lower 40s. .MONDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a 30 percent chance of snow after midnight. Lows in the 20s to lower 30s. .TUESDAY...Mostly cloudy. A 20 percent chance of snow in the morning. Highs in the mid 30s to lower 40s. .TUESDAY NIGHT...Mostly cloudy. A 30 percent chance of rain and snow after midnight. Lows in the mid 20s to lower 30s. .WEDNESDAY...A chance of rain and snow in the morning, then rain likely and a slight chance of snow in the afternoon. Chance of precipitation 70 percent. Highs in the mid 30s to lower 40s. .WEDNESDAY NIGHT...Rain likely and a slight chance of snow in the evening, then a chance of rain and snow after midnight. Chance of precipitation 60 percent. Lows in the 20s. .CHRISTMAS DAY...Mostly cloudy with a 40 percent chance of snow. Highs in the 30s. .THURSDAY NIGHT...Mostly cloudy with a chance of snow. A chance of rain in the evening. Chance of precipitation 50 percent. Lows in the 20s. .FRIDAY...Mostly cloudy with a 50 percent chance of snow. Highs in the 30s to lower 40s. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of snow. Lows in the 20s. .SATURDAY...Mostly cloudy with a 30 percent chance of snow. Highs in the 30s. $$