Simpson Airport Wind ForecastUnited StatesIDCaribou CountySimpson Airport1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast NOAAWind Real-Time Simpson Airport wind forecast issued today at 12:27 pm. Next forecast at approx. 12:27 am.Simpson Airport Wind Statistics May WindAfton WY (40.4 miles)2025AprilMayStrongest – Average May–Strongest 23 April, 202519.7mph SAverage April6.1mphStrongest 2 February, 202523mph SWAverage 20255.9mphClimate (2014–Present)Afton WY (40.4 miles)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 14 October, 202030mph WNWAverage 2020–20256.1mphGet WillyWeather+ to remove ads