543
SXUS45 KMSO 181230
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
605 AM MDT Tue Aug 18 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.

.Today...Mostly cloudy. A slight chance of rain early in the
afternoon. A slight chance of thunderstorms late in the
afternoon. Highs in the mid 70s. Variable winds up to 10 mph.
Chance of precipitation 20 percent. Waves less than 1 foot.
.Tonight...Mostly clear. Lows around 60 . Variable winds up to
10 mph. Waves less than 1 foot.
.WEDNESDAY...Sunny. Highs in the upper 70s. Variable winds up to
10 mph. Waves less than 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows around 60 . Variable winds
up to 10 mph. Waves less than 1 foot.
.THURSDAY...Sunny. Highs around 80 . Variable winds up to 10 mph.
Waves less than 1 foot.