SXUS45 KMSO 091230 RECGPI Recreation Forecast for Flathead Lake National Weather Service Missoula MT 505 AM MST Mon Dec 9 2024 Note: The experimental wave height forecasts are representative of the mid lake waters and downwind shores. Wave heights may be significantly less on upwind shores. .Today...Mostly cloudy. A chance of snow in the morning, then a slight chance of snow in the afternoon. Highs in the mid 30s. Variable winds up to 10 mph. Chance of snow 40 percent. Waves less than 1 foot. .Tonight...Mostly cloudy. Lows around 30 . Variable winds up to 10 mph. Waves less than 1 foot. .TUESDAY...Partly sunny. Highs in the mid 30s. Variable winds up to 10 mph. Waves less than 1 foot. .TUESDAY NIGHT...Mostly cloudy. Lows around 30 . Variable winds up to 10 mph. Waves less than 1 foot. .WEDNESDAY...Mostly cloudy. Highs in the mid 30s. Variable winds up to 10 mph. Waves less than 1 foot.