Crystal Lake Rainfall ForecastUnited StatesWIDane CountyCrystal LakeToday 18 Apr70%Sat 19 Apr35%Sun 20 Apr60%Mon 21 Apr95%Tue 22 Apr30%Wed 23 Apr45%Thu 24 Apr35%Crystal Lake rainfall forecast issued today at 7:04 pm. Next forecast at approx. 9:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Milwaukee RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads