Harper Wind ForecastUnited StatesIAKeokuk CountyHarper1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Harper wind forecast issued today at 4:18 pm. Next forecast at approx. 4:30 pm.Harper Wind Statistics August WindWashington (20.5 miles)2019JulyAugustStrongest 14 August, 201917.2mph NWAverage August6.3mphStrongest 6 July, 201919.7mph NAverage July8mphStrongest 24 February, 201939.1mph WNWAverage 201910.3mphClimate (2010–Present)Washington (20.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 2 April, 201639.1mph NWAverage 2010–Present10mphGet an account to remove ads