Gerlaw Rainfall ForecastUnited StatesILWarren CountyGerlawToday 18 Apr55%Sat 19 Apr25%Sun 20 Apr90%Mon 21 Apr90%Tue 22 Apr20%Wed 23 Apr40%Thu 24 Apr35%Gerlaw rainfall forecast issued today at 9:04 pm. Next forecast at approx. 11:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Quad Cities RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads