River Mersey Entrance Rainfall ForecastUnited KingdomNWMerseysideRiver Mersey EntranceToday 9 May50%Mon 10 May45%Tue 11 May45%Wed 12 May40%Thu 13 May40%River Mersey Entrance rainfall forecast issued today at 2:31 pm. Next forecast at approx. 4:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads