The Met Office has issued yellow thunderstorm warnings for 29 areas of the UK, valid from Thursday, June 25, 2026. The warnings cover regions including London, South East England, South West England, Wales, and parts of the West Midlands, with heavy rain and thunder expected to arrive within hours.
Affected Areas Across the UK
The full list of areas under yellow thunderstorm warnings includes London and South East England (Hampshire), South West England (Bath and North East Somerset, Bournemouth Christchurch and Poole, Bristol, Cornwall, Devon, Dorset, Gloucestershire, North Somerset, Plymouth, Somerset, South Gloucestershire, Torbay, Wiltshire), Wales (Blaenau Gwent, Bridgend, Caerphilly, Cardiff, Carmarthenshire, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Powys, Rhondda Cynon Taf, Swansea, Torfaen, Vale of Glamorgan), and the West Midlands (Herefordshire).
Weather Impact and Safety
The Met Office warns that thunderstorms could lead to sudden flooding, travel disruption, and potential damage from lightning strikes. Residents in affected areas are advised to stay updated on local weather forecasts and take precautions, such as avoiding driving through floodwater and securing outdoor items. The yellow warning indicates that while the weather is not expected to be severe enough for a red or amber alert, it may still cause localised hazards.
