A yellow weather warning has been issued for south Wales with rain expected to cause disruptions on Friday (March 1).

The Met Office issued a yellow weather warning due to rain which will be in place across most of Wales on Friday from 12am to 3pm.

The weather warning will affect all of south Wales including Newport, Blaenau Gwent, Monmouthshire, Cardiff, Vale of Glamorgan and Swansea. 

Some areas could get up to 30mm of rain in three hours, while other locations could get "some snow" according to the Met Office.

What to expect from the yellow weather warning in South Wales

The Met Office said the yellow weather warning was issued across South Wales due to rain which is expected to cause disruptions.

The rain associated with the yellow weather warning is also set to cause:

  • Disruptions to bus and train services (with journey times taking longer)
  • Spray and flooding on roads (likely making journey times longer)

A Met Office spokesperson added: "A band of rain, heavy at times, is expected to move north and east on Friday.

"10 to 15 mm of rainfall is likely widely, with perhaps 30 mm in a few locations. With much of the rain falling in 3 hours some travel disruption is probable.

"Some snow is also likely to affect some higher routes and communities for a brief time."

Everywhere in Wales is set to be affected by rain warning

Areas of Wales set to be impacted by the yellow weather warning issued by the Met Office are:

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

South Wales Argus: The yellow weather warning for rain will be in place across most of Wales.The yellow weather warning for rain will be in place across most of Wales. (Image: Met Office)

How to prepare for the yellow weather warning in South Wales

The Met Office has issued advice on how to prepare for the yellow weather warning and the risks it poses.

A Met Office spokesperson said: "Give yourself the best chance of avoiding delays by checking road conditions if driving, or bus and train timetables, amending your travel plans if necessary.

"Be prepared for weather warnings to change quickly: when a weather warning is issued, the Met Office recommends staying up to date with the weather forecast in your area."

The yellow weather warning will be in place across south Wales from 12am until 3pm on Friday, March 1.