944
SXUS45 KMSO 061230
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
605 AM MDT Sun Sep 6 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 early in the morning then becoming partly
sunny. A chance of rain early in the morning. A slight chance of
rain early in the afternoon, then a chance of showers and a
slight chance of thunderstorms late in the afternoon. Highs in
the mid 60s. Variable winds up to 10 mph. Chance of precipitation
50 percent. Waves less than 1 foot.
.Tonight...Mostly cloudy. A chance of thunderstorms in the
evening, then a chance of rain after midnight. Lows in the lower
50s. Variable winds up to 10 mph. Chance of precipitation
50 percent. Waves less than 1 foot.
.Labor Day...Breezy, cooler. Showers and a slight chance of
thunderstorms in the morning, then showers and a chance of
thunderstorms in the afternoon. Highs in the mid 50s. Variable
winds up to 10 mph becoming south 15 to 20 mph in the afternoon.
Chance of precipitation near 100 percent. Waves around 1 foot...
locally up to 2 feet.
.MONDAY NIGHT...Rain in the evening, then rain likely after
midnight. Lows in the lower 50s. South winds around 15 mph.
Chance of rain 80 percent. Waves around 1 foot...locally up to
2 feet.
.TUESDAY...Mostly cloudy. Rain likely in the morning, then a
slight chance of rain in the afternoon. Highs around 60 . South
winds around 15 mph in the morning becoming light. Chance of rain
70 percent. Waves around 1 foot...locally up to 2 feet.