Waterfall Glen County Forest Preserve Rainfall ForecastUnited StatesILDuPage CountyWaterfall Glen County Forest PreserveToday 15 Apr40%Wed 16 AprNo RainThu 17 Apr45%Fri 18 Apr60%Sat 19 Apr45%Sun 20 Apr35%Mon 21 Apr55%Waterfall Glen County Forest Preserve 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 Chicago RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads