Heol Senni Rainfall ForecastUnited KingdomWLPowysHeol SenniToday 13 Oct15%Tue 14 Oct15%Wed 15 Oct15%Thu 16 Oct25%Fri 17 Oct15%Sat 18 Oct15%Sun 19 Oct75%Heol Senni rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 am.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