An amber warning for rain has been issued for Wales, with the Met Office warning that heavy and persistent downpours on Monday are likely to cause disruption and possible flooding across many parts of the country.
The warning covers a large area of Wales, and people are being urged to prepare for difficult conditions that could last from late Sunday through to late Monday.
Heavy rain is expected to sweep across south Wales, with the heaviest falls over high ground such as Bannau Brycheiniog. Widespread totals of 20 to 40 mm are expected, rising to 60 to 80 mm over south and southwest facing slopes. A few locations could see as much as 100 to 120 mm. The volume and intensity of the rain also raises the risk of landslides on natural slopes and transport routes.
Strong south to southwesterly winds will accompany the rain, with coastal areas and higher ground likely to see gales.
What to expect
The Met Office warns that the conditions could lead to flooding of homes and businesses, with some communities potentially cut off for several days. Roads may close and public transport could be heavily affected, including delays and cancellations on bus and rail services. Drivers are being warned of poor visibility, spray and flooded roads. Damage to buildings and power cuts are also possible.
What you should do
People are urged to check if their property is at risk and plan ahead where possible. Preparing a simple flood kit and having a plan in place can make a big difference.
Travel should be reviewed before setting off, as conditions may be unsafe. The Met Office reminds the public never to walk, swim or drive through floodwater. Anyone affected by fast flowing or deep water should call 999 and wait for help.
With the chance of power cuts, households are advised to gather torches, batteries and a charged mobile power pack.
Warnings may change at short notice, so staying up to date with the latest forecast is important.
Today’s forecast
Much of Wales started the day under cloud and murky conditions as a weather system moved in from the southwest, bringing prolonged rain, heavy bursts and strong gusts. The worst conditions are expected in the south, with coastal gales possible. It will feel fairly mild, reaching around 13 C.
Areas affected
The warning covers a wide number of local authorities including Blaenau Gwent, Bridgend, Caerphilly, Cardiff, Carmarthenshire, Ceredigion, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Pembrokeshire, Powys, Rhondda Cynon Taf, Swansea, Torfaen and the Vale of Glamorgan.
Tonight
Rain and strong winds will continue into the evening before easing overnight. Cloud and rain will move away to the northeast, although scattered showers will follow. Temperatures will drop to around 8 C.
Tuesday
A brighter start is expected, though showers are likely for many through the morning. These could become heavier in the afternoon with a small chance of thunder. It will remain breezy at times, with highs near 10 C.
Outlook for Wednesday to Friday
Wednesday brings a mix of sunny spells and occasional showers. Cloudier conditions return from the west later as the next weather system arrives, bringing more rain on Thursday and Friday. It is expected to stay breezy.
