Grant City Wind ForecastUnited StatesIASac CountyGrant City1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Grant City wind forecast issued today at 3:30 am. Next forecast at approx. 3:30 pm.Grant City Wind Statistics May WindCarroll (15.5 miles)2025AprilMayStrongest – Average May–Strongest 28 April, 202536.9mph SSWAverage April13.7mphStrongest 5 March, 202542.5mph NNWAverage 202513mphClimate (2010–Present)Carroll (15.5 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 23 April, 202242.5mph SAverage 2020–202511.4mphGet WillyWeather+ to remove ads