Penn Mountain State Forest Rainfall ForecastUnited StatesNYOneida CountyPenn Mountain State ForestToday 19 Apr80%Sun 20 Apr25%Mon 21 Apr35%Tue 22 Apr60%Wed 23 Apr10%Thu 24 Apr15%Fri 25 Apr40%Penn Mountain State Forest 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 Montague RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads