Cwm-twrch Isaf Rainfall ForecastUnited KingdomWLPowysCwm-twrch IsafToday 2 AprNo RainThu 3 Apr45%Fri 4 Apr10%Sat 5 AprNo RainSun 6 AprNo RainMon 7 AprNo RainCwm-twrch Isaf rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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