Yellow Heat-Health Alert Remains for South West England, South East England, and London

A yellow heat-health alert, issued by the UK Health Security Agency in partnership with the Met Office, remains in place for South West England, South East England, and London on Sunday, August 16, 2026. Warm conditions are continuing across parts of the UK, with the Met Office forecasting mostly dry weather and increasing sunshine, and a regional maximum temperature of 26 degrees Celsius for South West England.