Heavy rain associated with Storm Dennis is expected to move east across England and Wales on Saturday and Sunday.

Accumulations of 15 to 30 mm are expected widely, with 50 to 70 mm across parts of the higher ground in the west. This rain is expected to fall across areas already wet from recent rainfall.

What to expect

There is a small chance that homes and businesses could be flooded, causing damage to some buildings
There is a small chance of fast flowing or deep floodwater causing danger to life
Where flooding occurs, there is a slight chance of delays or cancellations to train and bus services
Spray and flooding could lead to difficult driving conditions and some road closures
There is a small chance that some communities become cut off by flooded roads
There is a slight chance of power cuts and loss of other services to some homes and businesses

Regions and local authorities affected

Blaenau Gwent
Bridgend
Caerphilly
Cardiff
Carmarthenshire
Ceredigion
Conwy
Gwynedd
Isle of Anglesey
Merthyr Tydfil
Monmouthshire
Neath Port Talbot
Newport
Pembrokeshire
Powys
Rhondda Cynon Taf
Swansea
Torfaen
Vale of Glamorgan