Lough Foyle - Big Drain Entrance Rainfall ForecastUnited KingdomNILimavadyLough Foyle - Big Drain EntranceToday 17 Sep10%Thu 18 Sep55%Fri 19 Sep35%Sat 20 Sep40%Sun 21 Sep15%Mon 22 Sep10%Tue 23 Sep10%Lough Foyle - Big Drain Entrance rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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