Columbia River - Morgan Landing Rainfall ForecastUnited StatesORMultnomah CountyColumbia River - Morgan LandingToday 18 Apr15%Sat 19 Apr20%Sun 20 Apr30%Mon 21 Apr5%Tue 22 AprNo RainWed 23 AprNo RainThu 24 Apr20%Columbia River - Morgan Landing rainfall forecast issued today at 4:04 pm. Next forecast at approx. 6:04 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