Upper Lliw Reservoir Rainfall ForecastUnited KingdomWLSwanseaUpper Lliw ReservoirToday 2 Dec95%Wed 3 Dec95%Thu 4 Dec60%Fri 5 Dec75%Sat 6 Dec55%Sun 7 Dec40%Mon 8 Dec40%Upper Lliw Reservoir rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 am.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