983 SXUS45 KMSO 142330 RECGPI Recreation Forecast for Flathead Lake National Weather Service Missoula MT 505 PM MDT Sun Jul 14 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. .Tonight...Mostly clear. Lows around 60 . Variable winds up to 10 mph. Waves less than 1 foot. .MONDAY...Sunny. Highs in the mid 80s. Variable winds up to 10 mph. Waves less than 1 foot. .MONDAY NIGHT...Mostly clear. Lows around 60 . Variable winds up to 10 mph. Waves less than 1 foot. .TUESDAY...Sunny. Highs in the mid 80s. Variable winds up to 10 mph. Waves less than 1 foot.