UK Heatwave: Yellow Alerts Issued for London & South East

2026-05-22
UK Heatwave: Yellow Alerts Issued for London & South East

Yellow heat health alerts have been issued across parts of England as the UK prepares for a bank holiday heatwave. The UK Health Security Agency (UKHSA) issued the alerts covering London, the South East, the East, and the Midlands, urging caution and preparedness.

The alerts, which began on Thursday, are in place to protect vulnerable individuals and help healthcare services manage potential impacts from the rising temperatures. While the exact peak temperatures and duration of the heatwave are still being assessed, forecasts suggest significant warmth throughout the bank holiday weekend.

The UKHSA's heat health alerts are designed to inform and guide local authorities, healthcare providers, and the public on actions to minimise the risks associated with heat. These alerts are tiered, with yellow representing a potential for harm, amber indicating a higher likelihood of impacts, and red signifying a severe heatwave requiring immediate action.

Individuals are advised to take precautions such as staying hydrated, avoiding strenuous activity during the hottest periods of the day, and checking on vulnerable neighbours and relatives. Public Health England, now part of the UKHSA, has previously highlighted the risks of heat-related illness, particularly for the elderly, those with pre-existing medical conditions, and young children.

The Met Office is monitoring the situation closely and providing regular updates on the developing weather pattern. Further details and guidance on how to stay safe during hot weather can be found on the UKHSA and Met Office websites. The alerts are expected to remain in place until further notice, and updates will be provided as the situation evolves.

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