Isles Dernieres Barrier Islands Refuge UV IndexUnited StatesLATerrebonne ParishIsles Dernieres Barrier Islands Refuge1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAIsles Dernieres Barrier Islands Refuge UV forecast issued today at 1:17 pm. Next forecast at approx. 1:17 pm.Get WillyWeather+ to remove ads