Polk Rainfall ForecastUnited StatesILWill CountyPolkToday 18 Apr25%Sat 19 Apr65%Sun 20 Apr65%Mon 21 Apr90%Tue 22 Apr10%Wed 23 Apr25%Thu 24 Apr25%Polk rainfall forecast issued today at 8:05 pm. Next forecast at approx. 10:05 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Chicago RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads