Chesapeake Bay - Big Annemessex River Entrance Rainfall ForecastUnited StatesMDSomerset CountyChesapeake Bay - Big Annemessex River EntranceToday 19 AprNo RainSun 20 AprNo RainMon 21 Apr5%Tue 22 Apr30%Wed 23 Apr35%Thu 24 Apr15%Fri 25 Apr25%Chesapeake Bay - Big Annemessex River Entrance 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 Dover Air Force Base RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads