Waupun Rainfall ForecastUnited StatesWIFond du Lac CountyWaupunToday 21 Apr85%Tue 22 Apr40%Wed 23 Apr45%Thu 24 Apr45%Fri 25 Apr55%Sat 26 Apr25%Sun 27 Apr15%Waupun rainfall forecast issued today at 5:04 am. Next forecast at approx. 7:04 pm.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