Shaw Reservoir Rainfall ForecastUnited StatesORUnion CountyShaw ReservoirToday 20 Apr20%Mon 21 Apr15%Tue 22 AprNo RainWed 23 Apr5%Thu 24 Apr5%Fri 25 Apr45%Sat 26 Apr35%Shaw Reservoir rainfall forecast issued today at 11:04 pm. Next forecast at approx. 1:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Pendleton RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads