SXUS45 KMSO 212330

RECGPI



Recreation Forecast for Flathead Lake

National Weather Service Missoula MT

506 PM MDT Sat Mar 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...Partly cloudy. Lows in the upper 30s. South winds

around 15 mph. Gusts up to 30 mph in the evening. Waves around

1 foot...locally up to 2 feet. 

.SUNDAY...Sunny. Highs around 50 . South winds around 15 mph.

Waves around 1 foot...locally up to 2 feet. 

.SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly

cloudy. Lows in the mid 30s. Variable winds up to 10 mph. Waves

around 1 foot...locally up to 2 feet. 

.MONDAY...Partly sunny. Highs in the mid 50s. Variable winds up

to 10 mph. Waves less than 1 foot.