Smith Airport Rainfall ForecastUnited StatesILMcDonough CountySmith AirportToday 18 Apr55%Sat 19 Apr50%Sun 20 Apr90%Mon 21 Apr90%Tue 22 Apr15%Wed 23 Apr30%Thu 24 Apr35%Smith 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 Lincoln RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads