638
SXUS45 KMSO 042030
RECGPI

Recreation Forecast for Flathead Lake
National Weather Service Missoula MT
206 PM MDT Sat Oct 4 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 in the morning then becoming mostly cloudy. A
chance of rain until late afternoon, then showers likely and a
slight chance of thunderstorms late in the afternoon. Highs in
the mid 50s. Variable winds up to 10 mph. Chance of precipitation
70 percent. Waves less than 1 foot.
.Tonight...Breezy. Rain likely in the evening, then rain after
midnight. Lows around 40 . Variable winds up to 10 mph becoming
north 15 to 25 mph after midnight. Chance of rain 90 percent.
Waves around 1 foot...locally up to 2 feet.
.SUNDAY...Partly sunny with a 20 percent chance of rain in the
morning, then sunny in the afternoon. Highs in the lower 50s.
North winds around 15 mph with gusts to around 40 mph in the
morning becoming light. Waves around 1 foot...locally up to
2 feet.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Variable winds
up to 10 mph. Waves less than 1 foot.
.MONDAY...Sunny. Areas of frost in the morning. Highs in the mid
50s. Variable winds up to 10 mph. Waves less than 1 foot.