Simpson Rainfall ForecastUnited StatesMNOlmsted CountySimpsonToday 21 Apr100%Tue 22 Apr35%Wed 23 Apr15%Thu 24 Apr70%Fri 25 Apr55%Sat 26 Apr15%Sun 27 Apr25%Simpson rainfall forecast issued today at 1:04 am. Next forecast at approx. 3:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time La Crosse RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads