Rend Lake State Waterfowl Management Area UV IndexUnited StatesILJefferson CountyRend Lake State Waterfowl Management Area1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAARend Lake State Waterfowl Management Area UV forecast issued today at 12:05 am. Next forecast at approx. 12:05 am.Get WillyWeather+ to remove ads