Heol Senni Rainfall ForecastUnited KingdomWLPowysHeol SenniToday 30 May40%Sun 31 May80%Mon 1 Jun90%Tue 2 Jun65%Wed 3 Jun80%Thu 4 Jun45%Fri 5 Jun55%Heol Senni rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 pm.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