Cottonwood Lake Rainfall ForecastUnited StatesMNLyon CountyCottonwood LakeToday 19 Apr5%Sun 20 Apr5%Mon 21 Apr40%Tue 22 Apr35%Wed 23 Apr15%Thu 24 Apr50%Fri 25 Apr40%Cottonwood Lake rainfall forecast issued today at 5:03 am. Next forecast at approx. 7:03 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Sioux Falls RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads