All main roads to and from St Asaph are now open. Traffic is still being temporarily controlled along Sarn Road, due to standing water.
Scottish Power has worked throughout the day to restore electricity to a large number of homes.
North Wales Police are doing extra patrols, to provide reassurance and prevent crime in affected areas. Superintendent Peter Newton said: 'We continue to work with all our partner agencies to minimise the impact of the flooding. The recovery of the area to normality remains our priority.'
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Fire crews have been responding to reports of flash flooding in Carmarthenshire. Some homes have been affected.
Medication designed for animals was taken from the building in Abertillery on Thursday night.
More than a thousand riders will be taking part in a series of events in and around the town.