Flathead Lake - West Shore State Park Rainfall ForecastUnited StatesMTLake CountyFlathead Lake - West Shore State ParkToday 19 Apr55%Sun 20 Apr40%Mon 21 Apr80%Tue 22 Apr25%Wed 23 Apr15%Thu 24 Apr10%Fri 25 Apr20%Flathead Lake - West Shore State Park rainfall forecast issued today at 4:04 pm. Next forecast at approx. 6:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Missoula RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads