641 SXUS45 KMSO 121700 RECGPI Recreation Forecast for Flathead Lake National Weather Service Missoula MT 1005 AM MDT Sun Apr 12 2020 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 30s. Variable winds up to 10 mph. Waves 1 to 2 feet...locally up to 3 feet subsiding to around 1 foot...locally up to 2 feet in the late morning and afternoon. .Tonight...Partly cloudy. A slight chance of snow in the evening, then a chance of snow after midnight. Lows in the mid 20s. Variable winds up to 10 mph. Chance of snow 30 percent. Waves around 1 foot...locally up to 2 feet. .MONDAY...Sunny. Highs in the lower 40s. Variable winds up to 10 mph. Waves around 1 foot...locally up to 2 feet. .MONDAY NIGHT...Partly cloudy. Lows in the lower 30s. Variable winds up to 10 mph. Waves around 1 foot...locally up to 2 feet. .TUESDAY...Mostly cloudy. A 20 percent chance of rain and snow in the afternoon. Highs around 50 . Variable winds up to 10 mph. Waves around 1 foot...locally up to 2 feet.