Lough Foyle - Big Drain Entrance Rainfall ForecastUnited KingdomNILimavadyLough Foyle - Big Drain EntranceToday 26 Mar80%Fri 27 Mar85%Sat 28 Mar80%Sun 29 Mar90%Mon 30 Mar25%Tue 31 Mar45%Wed 1 Apr45%Lough Foyle - Big Drain Entrance rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads