Ankeny Rainfall ForecastUnited StatesIAPolk CountyAnkenyToday 19 Apr10%Sun 20 Apr85%Mon 21 Apr80%Tue 22 Apr40%Wed 23 Apr40%Thu 24 Apr40%Fri 25 Apr40%Ankeny rainfall forecast issued today at 3:04 am. Next forecast at approx. 5:04 pm.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