Flannan Isles Rainfall ForecastUnited KingdomHEWestern IslesFlannan IslesToday 28 Mar90%Fri 29 Mar80%Sat 30 Mar45%Sun 31 Mar10%Mon 1 Apr15%Tue 2 Apr20%Wed 3 Apr10%Flannan Isles rainfall forecast issued today at 6:43 pm. Next forecast at approx. 8:43 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 an account to remove ads