Henry Post Army Airfield (Fort Sill) UV IndexUnited StatesOKComanche CountyHenry Post Army Airfield (Fort Sill)1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAHenry Post Army Airfield (Fort Sill) UV forecast issued yesterday at 1:17 pm. Next forecast at approx. 1:17 pm.Get WillyWeather+ to remove ads