855
SXUS45 KMSO 172330
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
505 PM MDT Mon Aug 17 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. Lows in the upper 50s. Variable winds up
to 10 mph. Waves less than 1 foot.
.TUESDAY...Mostly sunny. Highs in the mid 70s. Variable winds up
to 10 mph. Waves less than 1 foot.
.TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. 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.