Tan-lan Rainfall ForecastUnited KingdomWLGwyneddTan-lanToday 8 Jul20%Wed 9 Jul15%Thu 10 Jul5%Fri 11 Jul5%Sat 12 Jul5%Sun 13 Jul5%Mon 14 Jul10%Tan-lan rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 am.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