Tualatin River National Wildlife Refuge Rainfall ForecastUnited StatesORWashington CountyTualatin River National Wildlife RefugeToday 18 Apr10%Sat 19 Apr15%Sun 20 Apr20%Mon 21 AprNo RainTue 22 AprNo RainWed 23 AprNo RainThu 24 Apr20%Tualatin River National Wildlife Refuge rainfall forecast issued today at 7:04 pm. Next forecast at approx. 9:04 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