The warning covers isolated properties and extensive areas of agricultural land in the Lower Dee flood plain The last update from Natural Resources Wales (NRW) at noon on Tuesday said: River levels at Manley Hall are falling and are expected to do so for the next 24 hours. River levels at Farndon have now peaked and will start to fall, although slowly, through today (Tuesday) and are expected to continue to fall over the next 24 hours. Further rain is forecast tonight and into tomorrow, and the situation may change again. River levels are above normal but flooding of property is not expected at the moment.