Natural Resources Wales is urging people to prepare for the risk of further flooding across much of Wales over the next 24 hours.
The worst effects are expected in South Wales as a band of heavy rain will spread from the west from the early hours of Saturday morning.
This is forecast to remain over much of South Wales until about midnight, bringing the risk of flooding to all parts of the area.
Around 25-50 millimetres (one to two inches) are quite likely with up to 80 millimetres (more than three inches) falling on higher ground.
Following recent periods of heavy rainfall the ground remains saturated, meaning that further rainfall will cause rivers and streams to rise rapidly.
NRW expects to issue a number of flood warnings for communities and roads could be closed as drains struggle to cope with the volume of water.
While the most significant impacts are expected in South Wales, NRW is also expecting to issue some flood alerts in North Wales.
NRW is advising people to allow extra time for journeys as driving conditions may be difficult, particularly on roads already busy with Christmas shoppers. It is also asking people to take care near fast-flowing and swollen rivers.
People are advised to keep an eye on local news and weather forecasts for news of any disruption in their area, and are reminded of the dangers of driving through flood water.
Officers from NRW will be monitoring forecasts closely and teams are out checking that flood defences are in good working order and that rivers are clear of debris which could restrict river flows.
Martyn Evans, NRW’s Duty Tactical Manager, said:
“We’re asking people to take care and regularly view our flood alerts and warnings, updated every 15 minutes on our live flood warning map available on our website.
“People can find out if they are at risk of flooding, or sign up for our free Flood Warning service, by visiting our website or calling Floodline on 0345 988 1188.”
Information and updates are also available via Natural Resources Wales’s twitter account: @natreswales.
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