175 SXUS45 KMSO 290940 RECGPI Recreation Forecast for Flathead Lake National Weather Service Missoula MT 305 AM MDT Sun Aug 29 2021 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. Highs around 70 . Variable winds up to 10 mph. Waves less than 1 foot. .Tonight...Mostly cloudy in the evening then clearing. Lows in the lower 50s. Variable winds up to 10 mph. Waves less than 1 foot. .MONDAY...Sunny. Highs in the lower 70s. Variable winds up to 10 mph. Waves less than 1 foot. .MONDAY NIGHT...Mostly clear. Lows around 50 . Variable winds up to 10 mph. Waves less than 1 foot. .TUESDAY...Sunny. Highs in the mid 60s. Variable winds up to 10 mph. Waves less than 1 foot.