Big Spencer Mountain Rainfall ForecastUnited StatesMEPiscataquis CountyBig Spencer MountainToday 19 Apr65%Sun 20 Apr40%Mon 21 Apr15%Tue 22 Apr80%Wed 23 Apr45%Thu 24 Apr20%Fri 25 Apr25%Big Spencer Mountain rainfall forecast issued today at 10:04 pm. Next forecast at approx. 12:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Caribou RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads