Weather Warnings Archive: Thursday 28 May 2026 00:00 BST - UK

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Weather Warnings, 27.05.2026, Wales

Severe Weather Warnings: Thunderstorms

Date

issued by the Metoffice at
   23:00, 27.05.2026

valid from
   00:00, 28.05.2026
until
   04:00, 28.05.2026


Region: Wales

Warning

Thunderstorms will continue to affect parts of England and Wales and are likely to become increasingly confined to northern and eastern parts of the warning area during the course of the early hours. While many places will miss the worst conditions, where thunderstorms do occur frequent lightning and heavy downpours are likely. Hail and strong, gusty winds may also affect a few places. What Should I Do? Consider if your location is at risk of flash flooding. If so, consider preparing a flood plan and an emergency flood kit. 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. People cope better with power cuts when they have prepared for them in advance. It’s easy to do; consider gathering torches and batteries, a mobile phone power pack and other essential items. If you find yourself outside and hear thunder, protect yourself by finding a safe enclosed shelter (such as a car). Do not shelter under or near trees, or other structures which may be struck by lightning. If you are on an elevated area move to lower ground. 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.

Chief Forecaster

Thunderstorms with frequent lightning and heavy rain affecting some places.

The public is advised to take extra care, further information and advice can be found here: http://www.metoffice.gov.uk/weather/uk/links.html

Local Authorities: Carmarthenshire, Ceredigion, Conwy, Denbighshire, Flintshire, Gwynedd, Isle of Anglesey, Powys, Wrexham

Severe Weather Warnings: Thunderstorms

Date

issued by the Metoffice at
   23:00, 27.05.2026

valid from
   15:00, 27.05.2026
until
   23:59, 27.05.2026


Region: Wales

Warning

After another hot day, thunderstorms are expected to develop across parts of Wales as well as some western and southwestern parts of England during this afternoon and through the evening. While many places will miss the worst conditions, where thunderstorms do occur they bring the potential for torrential downpours of rain, frequent lightning, large hail and strong, gusty winds. What Should I Do? Consider if your location is at risk of flash flooding. If so, consider preparing a flood plan and an emergency flood kit. 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. People cope better with power cuts when they have prepared for them in advance. It’s easy to do; consider gathering torches and batteries, a mobile phone power pack and other essential items. If you find yourself outside and hear thunder, protect yourself by finding a safe enclosed shelter (such as a car). Do not shelter under or near trees, or other structures which may be struck by lightning. If you are on an elevated area move to lower ground. 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.

Chief Forecaster

Many areas missing the worst but thunderstorms this afternoon and evening likely leading to some disruption in places

The public is advised to take extra care, further information and advice can be found here: http://www.metoffice.gov.uk/weather/uk/links.html

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