Whiteside County Airport-Jos H Bittorf Field UV IndexUnited StatesILWhiteside CountyWhiteside County Airport-Jos H Bittorf Field1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAWhiteside County Airport-Jos H Bittorf Field UV forecast issued today at 1:17 pm. Next forecast at approx. 1:17 pm.Get WillyWeather+ to remove ads