Lewis Wind ForecastUnited StatesIACass CountyLewis1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Lewis wind forecast issued today at 3:33 pm. Next forecast at approx. 3:33 am. Wind Speed Wind GustLewis Wind Statistics September WindAtlantic (6.2 miles)2026AugustSeptemberStrongest 2 September, 202615mph SSWAverage September7.8mphStrongest 1 August, 202620.8mph NAverage August7.2mphStrongest 15 March, 202636.9mph NNWAverage 20268.8mphClimate (2021–2026)Atlantic (6.2 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 5 March, 202541.4mph NNWAverage 2021–20269.6mphGet WillyWeather+ to remove ads