Grwyne Fawr Reservoir Rainfall ForecastUnited KingdomWLPowysGrwyne Fawr ReservoirToday 2 Apr90%Fri 3 Apr80%Sat 4 Apr90%Sun 5 Apr45%Mon 6 Apr35%Tue 7 Apr50%Wed 8 Apr60%Grwyne Fawr Reservoir rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 am.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