Prehen Rainfall ForecastUnited KingdomNIDerryPrehenToday 14 Oct10%Wed 15 Oct15%Thu 16 Oct15%Fri 17 Oct15%Sat 18 Oct20%Sun 19 Oct45%Mon 20 Oct45%Prehen 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 Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads