778
SXUS45 KMSO 202330
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
505 PM MDT Thu Aug 20 2026

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. Patchy smoke early in the evening. Lows
around 60 . Variable winds up to 10 mph. Waves less than 1 foot.
.FRIDAY...Sunny. Highs in the lower 80s. Variable winds up to
10 mph. Waves less than 1 foot.
.FRIDAY NIGHT...Mostly cloudy. Lows in the lower 60s. Variable
winds up to 10 mph. Waves less than 1 foot.
.SATURDAY...Partly sunny. A 20 percent chance of rain in the
afternoon. Highs around 80 . Variable winds up to 10 mph. Waves
less than 1 foot.