Silent Valley Reservoir Rainfall ForecastUnited KingdomNINewry and MourneSilent Valley ReservoirToday 18 May5%Mon 19 May50%Tue 20 May50%Wed 21 May15%Thu 22 May10%Fri 23 May15%Sat 24 May55%Silent Valley Reservoir rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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