North Cascades National Park Rainfall ForecastUnited StatesWAWhatcom CountyNorth Cascades National ParkToday 18 Apr25%Sat 19 Apr30%Sun 20 Apr80%Mon 21 Apr60%Tue 22 Apr10%Wed 23 Apr15%Thu 24 Apr25%North Cascades National Park rainfall forecast issued today at 5:04 pm. Next forecast at approx. 7:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Seattle RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads