Wallace Slough - Beaver Slough Entrance Rainfall ForecastUnited StatesORColumbia CountyWallace Slough - Beaver Slough EntranceToday 19 Apr20%Sun 20 Apr75%Mon 21 Apr15%Tue 22 AprNo RainWed 23 AprNo RainThu 24 Apr30%Fri 25 Apr50%Wallace Slough - Beaver Slough Entrance rainfall forecast issued today at 3:04 pm. Next forecast at approx. 5:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Portland RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads