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 12:17 pm. Next forecast at approx. 12:17 pm.Get WillyWeather+ to remove ads