Weather maps indicate heavy rainfall in Wales over the weekend, with many parts of the country expected to face showers and thunderstorms according to the latest Met Office forecast. A yellow weather warning has been issued, highlighting the likelihood of lightning, gusty winds, large hail, and heavy downpours in various areas.
On Saturday, September 21, heavy rain is predicted to be most intense in south-east Wales, particularly affecting places like Abergavenny with 4-8mm of rainfall per hour. As the day progresses, the rain is forecast to move westward, impacting areas such as Builth Wells, Tregaron, Carmarthen, and Cardigan, where rainfall could reach 8-16mm per hour. By late afternoon, the rain is expected to clear in many areas, with isolated patches in the south-west, south-east, and parts of north Wales.
Later in the day, pockets of heavy rain may develop in parts of Wrexham county, Powys, and Monmouthshire, where rainfall rates could reach 16-32mm per hour. By Saturday evening, heavy rainfall is anticipated in Ceredigion and Pembrokeshire, with further intensification expected off the western tip of the Llyn Peninsula by night.
On Sunday, September 22, significant rainfall is forecast across Wales with the heaviest showers anticipated in south-east Wales, Powys, and parts of north-east Wales. Throughout the day, the Cardigan Bay coastline, Pembrokeshire, Carmarthenshire, Powys, Monmouthshire, and areas between Swansea and Merthyr Tydfil are expected to be heavily impacted by rain.
By Sunday evening, the focus of intense rainfall is predicted to shift towards mid Wales, extending westwards towards areas like Machynlleth and Barmouth. The weather outlook remains uncertain. Stay informed about the latest developments and weather warnings by subscribing to our newsletter.