East Sister Rainfall ForecastUnited StatesMEYork CountyEast SisterToday 19 Apr30%Sun 20 Apr40%Mon 21 Apr5%Tue 22 Apr60%Wed 23 Apr5%Thu 24 Apr10%Fri 25 Apr15%East Sister rainfall forecast issued today at 5:04 am. Next forecast at approx. 7:04 pm.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