Chehalis River - Elliott Slough Entrance Rainfall ForecastUnited StatesWAGrays Harbor CountyChehalis River - Elliott Slough EntranceToday 16 AprNo RainThu 17 AprNo RainFri 18 Apr5%Sat 19 Apr15%Sun 20 Apr35%Mon 21 Apr20%Tue 22 Apr10%Chehalis River - Elliott Slough Entrance rainfall forecast issued today at 4:04 am. Next forecast at approx. 6:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Langley Hill RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads