Yellow Warning of Rain for Wales : Carmarthenshire, Ceredigion, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Pembrokeshire, Powys, Rhonnda Cynon Taff, Swansea, Torfaen, Vale of Glamorgan & Gwynedd valid from 0100 Fri 12 Jun to 0900 Sat 13 Jun