Grwyne Fawr Reservoir Rainfall ForecastUnited KingdomWLPowysGrwyne Fawr ReservoirToday 16 Feb65%Tue 17 Feb50%Wed 18 Feb80%Thu 19 Feb40%Fri 20 Feb85%Sat 21 Feb30%Sun 22 Feb50%Grwyne Fawr Reservoir rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 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