River Mersey - Norton Marsh Rainfall ForecastUnited KingdomNWCheshireRiver Mersey - Norton MarshToday 17 Jul15%Fri 18 Jul55%Sat 19 Jul65%Sun 20 Jul55%Mon 21 Jul40%Tue 22 Jul35%River Mersey - Norton Marsh rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Hameldon Hill (Lancashire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads