Jefferson Lake State Park Rainfall ForecastUnited StatesOHJefferson CountyJefferson Lake State ParkToday 19 Apr85%Sun 20 Apr40%Mon 21 Apr80%Tue 22 Apr25%Wed 23 Apr15%Thu 24 Apr20%Fri 25 Apr60%Jefferson Lake State Park rainfall forecast issued today at 7:04 pm. Next forecast at approx. 9:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Pittsburgh RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads