Heol Senni Rainfall ForecastUnited KingdomWLPowysHeol SenniToday 14 Oct85%Thu 15 Oct95%Fri 16 Oct35%Sat 17 OctNo RainSun 18 Oct5%Mon 19 Oct15%Tue 20 Oct20%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Heol Senni rainfall forecast issued today at 7:09 pm. Next forecast at approx. 9:09 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads