Green Mountain STOLport Rainfall ForecastUnited StatesWAClark CountyGreen Mountain STOLportToday 18 Apr15%Sat 19 Apr25%Sun 20 Apr35%Mon 21 Apr10%Tue 22 AprNo RainWed 23 AprNo RainThu 24 Apr25%Green Mountain STOLport rainfall forecast issued today at 6:05 pm. Next forecast at approx. 8:05 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