SXUS45 KMSO 222330
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
506 PM MDT Wed Apr 22 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...Rain until early morning, then rain likely late in the
night. Lows in the upper 30s. South winds around 15 mph in the
evening becoming light. Chance of rain near 100 percent. Waves
less than 1 foot.
.THURSDAY...Snow showers with possible showers and thunderstorms
likely in the morning, then partly sunny with a chance of
showers, snow showers and a slight chance of thunderstorms in the
afternoon. No snow accumulation. Highs in the mid 40s. Variable
winds up to 10 mph. Chance of precipitation 90 percent. Waves
less than 1 foot.
.THURSDAY NIGHT...Mostly cloudy. Rain and snow likely in the
evening, then a chance of snow after midnight. Snow accumulation
up to 1 inch. Lows in the mid 30s. Variable winds up to 10 mph.
Chance of precipitation 60 percent. Waves less than 1 foot.
.FRIDAY...Partly sunny with a 40 percent chance of snow. Highs in
the lower 40s. Variable winds up to 10 mph. Waves around 1 foot...
locally up to 2 feet.