St Illtyd Rainfall ForecastUnited KingdomWLBlaenau GwentSt IlltydToday 18 Sep85%Fri 19 Sep25%Sat 20 Sep65%Sun 21 Sep35%Mon 22 Sep5%Tue 23 Sep10%St Illtyd rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Clee Hill (Shropshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads