904
SXUS45 KMSO 212330
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
406 PM MST Sat Feb 21 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...Mostly clear early in the evening then becoming mostly
cloudy. Lows in the mid 20s. Variable winds up to 10 mph. Waves
around 1 foot...locally up to 2 feet.
.SUNDAY...Mostly cloudy in the morning then clearing. Highs in
the lower 40s. Variable winds up to 10 mph. Waves around 1 foot...
locally up to 2 feet.
.SUNDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a 40 percent chance of snow and rain after midnight. Lows in
the mid 30s. Variable winds up to 10 mph. Waves less than 1 foot.
.MONDAY...Rain likely and a slight chance of snow in the morning,
then rain in the afternoon. No snow accumulation. Highs in the
mid 40s. Variable winds up to 10 mph becoming south around 15 mph
in the afternoon. Chance of precipitation 80 percent. Waves
around 1 foot...locally up to 2 feet.