Quad City International Airport Rainfall ForecastUnited StatesILRock Island CountyQuad City International AirportToday 18 Apr50%Sat 19 Apr10%Sun 20 Apr85%Mon 21 Apr95%Tue 22 Apr25%Wed 23 Apr40%Thu 24 Apr35%Quad City International Airport 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