181
SXUS45 KMSO 181230
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
505 AM MST Tue Nov 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...Cloudy until late afternoon then becoming partly sunny.
A chance of rain in the morning. Rain likely early in the
afternoon, then a chance of rain late in the afternoon. Highs in
the upper 40s. Variable winds up to 10 mph. Chance of rain
70 percent. Waves less than 1 foot.
.Tonight...Mostly cloudy. A 20 percent chance of rain in the
evening. Lows in the mid 30s. Variable winds up to 10 mph. Waves
less than 1 foot.
.WEDNESDAY...Cloudy in the morning then clearing. Highs in the
mid 40s. Variable winds up to 10 mph. Waves less than 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 30s. Variable
winds up to 10 mph. Waves less than 1 foot.
.THURSDAY...Mostly sunny. Highs in the mid 40s. Variable winds up
to 10 mph. Waves less than 1 foot.