SXUS45 KMSO 030930 RECGPI Recreation Forecast for Flathead Lake National Weather Service Missoula MT 305 AM MDT Thu Jul 3 2025 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...Sunny. Highs in the upper 70s. South winds around 15 mph. Waves around 1 foot...locally up to 2 feet. .Tonight...Mostly clear. Lows in the mid 50s. Variable winds up to 10 mph. Waves less than 1 foot. .Independence Day...Mostly sunny in the morning, then mostly cloudy with a 30 percent chance of rain in the afternoon. Highs in the lower 70s. Variable winds up to 10 mph. Waves less than 1 foot. .FRIDAY NIGHT...Cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the mid 50s. Variable winds up to 10 mph. Chance of precipitation 50 percent. Waves less than 1 foot. .SATURDAY...Partly sunny. A chance of rain in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 60s. Variable winds up to 10 mph. Chance of precipitation 50 percent. Waves less than 1 foot.