Dayton Rainfall ForecastUnited StatesIAWebster CountyDaytonToday 19 Apr5%Sun 20 Apr95%Mon 21 Apr85%Tue 22 Apr50%Wed 23 Apr25%Thu 24 Apr70%Fri 25 Apr50%Dayton rainfall forecast issued today at 6:04 pm. Next forecast at approx. 8:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Des Moines RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads