Avon Wind ForecastUnited StatesMTPowell CountyAvon1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Avon wind forecast issued today at 3:37 am. Next forecast at approx. 3:37 pm.Avon Wind Statistics December WindHelena Regional Airport (28.6 miles)2025NovemberDecemberStrongest – Average December–Strongest 2 November, 202521.9mph WAverage November6.6mphStrongest 10 May, 202562mph SAverage 20256.8mphClimate (2010–Present)Helena Regional Airport (28.6 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 18 December, 202466mph WAverage 2020–20257.2mphGet WillyWeather+ to remove ads