SXUS45 KMSO 021230 RECGPI Recreation Forecast for Flathead Lake National Weather Service Missoula MT 605 AM MDT Wed Jul 2 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...Mostly sunny. A slight chance of rain early in the afternoon. A slight chance of thunderstorms late in the afternoon. Highs in the mid 80s. Variable winds up to 10 mph. Chance of precipitation 20 percent. Waves less than 1 foot. .Tonight...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 60s. Variable winds up to 10 mph. Gusts up to 30 mph in the evening. Waves around 1 foot...locally up to 2 feet. .THURSDAY...Sunny. Highs around 80 . Variable winds up to 10 mph becoming southwest around 15 mph in the afternoon. Waves less than 1 foot. .THURSDAY NIGHT...Mostly clear. Lows around 60 . West winds around 15 mph in the evening becoming light. Waves less than 1 foot. .Independence Day...Partly sunny. A 30 percent chance of rain in the afternoon. Highs in the mid 70s. Variable winds up to 10 mph. Waves less than 1 foot.