Usk Reservoir Rainfall ForecastUnited KingdomWLPowysUsk ReservoirToday 22 Jan90%Fri 23 Jan90%Sat 24 Jan20%Sun 25 Jan20%Mon 26 Jan30%Tue 27 Jan55%Usk Reservoir rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads