368
SXUS45 KMSO 182330
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
505 PM MDT Sat Oct 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.

.Tonight...Breezy. Mostly cloudy. A chance of rain in the late
evening and early morning. Rain likely late in the night. Lows in
the lower 40s. Variable winds up to 10 mph becoming south 15 to
20 mph with gusts to around 30 mph after midnight. Chance of rain
70 percent. Waves around 1 foot...locally up to 2 feet.
.SUNDAY...Breezy. Rain likely in the morning, then rain in the
afternoon. Highs around 50 . Southwest winds 15 to 25 mph. Chance
of rain near 100 percent. Waves around 1 foot...locally up to
2 feet.
.SUNDAY NIGHT...Breezy, rain. Lows around 40 . Southwest winds
15 to 20 mph with gusts to around 30 mph. Chance of rain near
100 percent. Waves around 1 foot...locally up to 2 feet.
.MONDAY...Cloudy with rain likely in the morning, then partly
sunny with a chance of rain in the afternoon. Highs in the mid
40s. Southwest winds around 15 mph. Chance of rain 70 percent.
Waves around 1 foot...locally up to 2 feet.