Mountain Ash Rainfall ForecastUnited KingdomWLRhondda Cynon TaffMountain AshToday 24 Nov90%Mon 25 Nov45%Tue 26 Nov35%Wed 27 Nov15%Thu 28 Nov15%Fri 29 Nov45%Mountain Ash rainfall forecast issued yesterday at 6:38 pm. Next forecast at approx. 8:38 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads