Mokelumne River - North Mokelumne River Entrance UV IndexUnited StatesCASacramento CountyMokelumne River - North Mokelumne River Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAMokelumne River - North Mokelumne River Entrance UV forecast issued today at 11:19 am. Next forecast at approx. 11:19 am.Get an account to remove ads