304
SXUS45 KMSO 042330
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
505 PM MDT Fri Sep 4 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...Partly cloudy early in the evening then becoming
mostly cloudy. A slight chance of rain late in the evening. A
slight chance of rain late in the night. Lows around 50 .
Variable winds up to 10 mph. Chance of rain 20 percent. Waves
less than 1 foot.
.SATURDAY...Cloudy with a 50 percent chance of rain in the
morning, then sunny in the afternoon. Highs in the mid 60s.
Variable winds up to 10 mph. Waves less than 1 foot.
.SATURDAY NIGHT...Mostly cloudy. A chance of showers and a slight
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.
.SUNDAY...Mostly cloudy. A chance of rain in the morning, then a
chance of showers and a slight chance of thunderstorms in the
afternoon. Highs in the mid 60s. Variable winds up to 10 mph.
Chance of precipitation 40 percent. Waves less than 1 foot.