Harper Wind ForecastUnited StatesIAKeokuk CountyHarper1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Harper wind forecast issued today at 3:29 pm. Next forecast at approx. 3:29 am.Harper Wind Statistics May WindWashington (20.5 miles)2025AprilMayStrongest 16 May, 202530mph WSWAverage May9.7mphStrongest 2 April, 202532.2mph WSWAverage April12.7mphStrongest 28 February, 202533.3mph WNWAverage 202512.1mphClimate (2010–Present)Washington (20.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 23 December, 202034.4mph WSWAverage 2020–202510.2mphGet WillyWeather+ to remove ads