Potomac River - Monroe Bay Entrance Rainfall ForecastUnited StatesVAWestmoreland CountyPotomac River - Monroe Bay EntranceToday 19 Apr5%Sun 20 Apr5%Mon 21 Apr15%Tue 22 Apr35%Wed 23 Apr20%Thu 24 Apr15%Fri 25 Apr30%Potomac River - Monroe Bay Entrance rainfall forecast issued today at 7:04 am. Next forecast at approx. 9:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Sterling RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads