Grwyne Fawr Reservoir Rainfall ForecastUnited KingdomWLPowysGrwyne Fawr ReservoirToday 2 Jan20%Sat 3 Jan35%Sun 4 Jan60%Mon 5 Jan15%Tue 6 Jan60%Wed 7 Jan15%Thu 8 Jan55%Grwyne Fawr Reservoir rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Clee Hill (Shropshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads