Grwyne Fawr Reservoir Rainfall ForecastUnited KingdomWLPowysGrwyne Fawr ReservoirToday 6 Jun85%Sat 7 Jun90%Sun 8 Jun30%Mon 9 Jun15%Tue 10 Jun15%Wed 11 Jun15%Grwyne Fawr Reservoir rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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