Mokelumne River - Georgiana Slough Entrance UV IndexUnited StatesCASacramento CountyMokelumne River - Georgiana Slough Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAMokelumne River - Georgiana Slough Entrance UV forecast issued yesterday at 11:17 am. Next forecast at approx. 11:17 am.Get WillyWeather+ to remove ads