Linn Run State Park Rainfall ForecastUnited StatesPAWestmoreland CountyLinn Run State ParkToday 19 Apr60%Sun 20 Apr65%Mon 21 Apr70%Tue 22 Apr65%Wed 23 Apr15%Thu 24 Apr25%Fri 25 Apr65%Linn Run State Park rainfall forecast issued today at 6:04 pm. Next forecast at approx. 8:04 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