Porcupine Lake Rainfall ForecastUnited StatesIDFremont CountyPorcupine LakeToday 19 Apr5%Sun 20 Apr50%Mon 21 Apr75%Tue 22 Apr15%Wed 23 Apr40%Thu 24 Apr35%Fri 25 Apr45%Porcupine Lake rainfall forecast issued today at 5:04 pm. Next forecast at approx. 7:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Pocatello/Idaho Falls RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads