Knappa Slough - Blind Slough Entrance UV IndexUnited StatesORClatsop CountyKnappa Slough - Blind Slough Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAKnappa Slough - Blind Slough Entrance UV forecast issued today at 11:17 am. Next forecast at approx. 11:17 am.Get WillyWeather+ to remove ads