Portland Rainfall ForecastUnited StatesWIMonroe CountyPortlandToday 19 Apr70%Sun 20 Apr95%Mon 21 Apr100%Tue 22 Apr60%Wed 23 Apr45%Thu 24 Apr55%Fri 25 Apr60%Portland rainfall forecast issued today at 8:05 pm. Next forecast at approx. 10:05 am.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