Loch Grimshader Rainfall ForecastUnited KingdomHEWestern IslesLoch GrimshaderToday 17 May55%Mon 18 May15%Tue 19 May85%Wed 20 May45%Thu 21 May60%Fri 22 May60%Sat 23 May45%Loch Grimshader rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 pm.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