Harper Wind ForecastUnited StatesIAKeokuk CountyHarper1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Harper wind forecast issued today at 3:35 pm. Next forecast at approx. 3:35 am.Harper Wind Statistics June WindWashington (20.5 miles)2026MayJuneStrongest 10 June, 202620.8mph SSWAverage June9.1mphStrongest 12 May, 202625.3mph WSWAverage May10mphStrongest 13 March, 202635.8mph WNWAverage 202611.5mphClimate (2010–Present)Washington (20.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 26 November, 202536.9mph NWAverage 2021–202610.3mphGet WillyWeather+ to remove ads