St Illtyd Rainfall ForecastUnited KingdomWLBlaenau GwentSt IlltydToday 17 AprNo RainSun 18 Apr5%Mon 19 Apr5%Tue 20 Apr10%Wed 21 Apr10%St Illtyd rainfall forecast issued today at 7:31 pm. Next forecast at approx. 9:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads