Des Plaines Dolomite Prairies Land and Water Reserve UV IndexUnited StatesILWill CountyDes Plaines Dolomite Prairies Land and Water Reserve1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAADes Plaines Dolomite Prairies Land and Water Reserve UV forecast issued yesterday at 2:18 pm. Next forecast at approx. 2:18 pm.Get WillyWeather+ to remove ads