Usk Reservoir Rainfall ForecastUnited KingdomWLPowysUsk ReservoirToday 11 Sep15%Sat 12 Sep95%Sun 13 Sep50%Mon 14 Sep65%Tue 15 Sep45%Wed 16 Sep25%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Usk Reservoir rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads