Siadar Iarach Rainfall ForecastUnited KingdomHEWestern IslesSiadar IarachToday 31 Mar95%Wed 1 Apr95%Thu 2 Apr85%Fri 3 Apr70%Sat 4 Apr40%Sun 5 Apr60%Siadar Iarach rainfall forecast issued yesterday at 7:37 pm. Next forecast at approx. 9:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Druim a'Starraig (Isle of Lewis) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads