Ottawa Rainfall ForecastUnited StatesMNLe Sueur CountyOttawaToday 19 Apr40%Sun 20 Apr65%Mon 21 Apr100%Tue 22 Apr55%Wed 23 Apr15%Thu 24 Apr65%Fri 25 Apr45%Ottawa rainfall forecast issued today at 5:04 pm. Next forecast at approx. 7:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Minneapolis RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads