Red Arch Rainfall ForecastUnited KingdomNIMoyleRed ArchToday 20 Aug5%Thu 21 Aug10%Fri 22 Aug10%Sat 23 Aug15%Sun 24 Aug10%Mon 25 Aug5%Tue 26 Aug40%Red Arch rainfall forecast issued today at 7:40 pm. Next forecast at approx. 9:40 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads