Lake Cortez Rainfall ForecastUnited StatesWAChelan CountyLake CortezToday 19 Apr15%Sun 20 Apr5%Mon 21 AprNo RainTue 22 AprNo RainWed 23 AprNo RainThu 24 Apr10%Fri 25 Apr15%Lake Cortez rainfall forecast issued today at 1:04 am. Next forecast at approx. 3:04 pm.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