River Mersey - Widnes Warth Rainfall ForecastUnited KingdomNWCheshireRiver Mersey - Widnes WarthToday 9 Sep50%Thu 10 Sep75%Fri 11 Sep20%Sat 12 Sep45%Sun 13 Sep20%Mon 14 Sep35%Tue 15 Sep35%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time River Mersey - Widnes Warth rainfall forecast issued today at 1:10 pm. Next forecast at approx. 3:10 am. Rainfall Rainfall AccumulationHameldon Hill (Lancashire) RadarGet WillyWeather+ to remove ads