St Illtyd Rainfall ForecastUnited KingdomWLBlaenau GwentSt IlltydToday 27 May45%Thu 28 May10%Fri 29 May5%Sat 30 May25%Sun 31 May25%Mon 1 Jun75%St Illtyd rainfall forecast issued today at 1:35 am. Next forecast at approx. 3:35 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