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806
SXUS45 KMSO 180930
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
305 AM MDT Mon Aug 18 2025

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 early in the morning then clearing. A
20 percent chance of rain in the afternoon. Highs around 80 .
Variable winds up to 10 mph. Waves less than 1 foot.
.Tonight...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.
.TUESDAY NIGHT...Partly cloudy. A slight chance of thunderstorms
in the evening, then a slight chance of rain after midnight. Lows
in the lower 60s. Variable winds up to 10 mph. Chance of
precipitation 20 percent. Waves less than 1 foot.
.WEDNESDAY...Sunny. Highs around 80 . Variable winds up to
10 mph. Waves less than 1 foot.