SXUS45 KMSO 181230
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
605 AM MDT Mon May 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...Sunny. Areas of frost early in the morning. A slight
chance of rain early in the afternoon. A slight chance of
thunderstorms late in the afternoon. Highs in the mid 50s.
Variable winds up to 10 mph. Chance of precipitation 20 percent.
Waves less than 1 foot. 
.Tonight...Partly cloudy with a 20 percent chance of rain in the
evening, then mostly cloudy after midnight. Lows in the lower
40s. Variable winds up to 10 mph. Waves less than 1 foot. 
.TUESDAY...Partly sunny. A chance of showers and a slight chance
of thunderstorms in the afternoon. Highs around 60 . Variable
winds up to 10 mph. Chance of precipitation 40 percent. Waves
less than 1 foot. 
.TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. Variable
winds up to 10 mph. Waves less than 1 foot. 
.WEDNESDAY...Mostly cloudy. Showers likely and a slight chance of
thunderstorms in the afternoon. Highs around 60 . Variable winds
up to 10 mph. Chance of precipitation 60 percent. Waves less than
1 foot.