Lake Brittany Rainfall ForecastUnited StatesWIWaukesha CountyLake BrittanyToday 18 Apr75%Sat 19 Apr65%Sun 20 Apr50%Mon 21 Apr95%Tue 22 Apr20%Wed 23 Apr45%Thu 24 Apr20%Lake Brittany rainfall forecast issued today at 12:03 pm. Next forecast at approx. 2:03 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