Copco Lake Rainfall ForecastUnited StatesCASiskiyou CountyCopco LakeToday 19 Apr5%Sun 20 AprNo RainMon 21 AprNo RainTue 22 Apr5%Wed 23 AprNo RainThu 24 Apr25%Fri 25 Apr45%Copco Lake rainfall forecast issued today at 3:04 pm. Next forecast at approx. 5:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Medford RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads