Blackhawk Springs Forest Preserve Rainfall ForecastUnited StatesILWinnebago CountyBlackhawk Springs Forest PreserveToday 18 Apr75%Sat 19 Apr40%Sun 20 Apr70%Mon 21 Apr95%Tue 22 Apr20%Wed 23 Apr40%Thu 24 Apr30%Blackhawk Springs 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 Milwaukee RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads