Black Mountain State Forest Rainfall ForecastUnited StatesNHGrafton CountyBlack Mountain State ForestToday 19 Apr60%Sun 20 Apr30%Mon 21 Apr10%Tue 22 Apr65%Wed 23 Apr10%Thu 24 Apr10%Fri 25 Apr20%Black Mountain State Forest rainfall forecast issued today at 4:04 am. Next forecast at approx. 6:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Burlington RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads