Weller Canyon Airport Rainfall ForecastUnited StatesWAColumbia CountyWeller Canyon AirportToday 19 Apr35%Sun 20 Apr35%Mon 21 Apr25%Tue 22 AprNo RainWed 23 Apr5%Thu 24 Apr15%Fri 25 Apr30%Weller Canyon Airport rainfall forecast issued today at 3:04 am. Next forecast at approx. 5:04 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