NewsUK NewsHeatwaveAn extreme heat warning has been expanded as the UK braces for a heatwave that could send temperatures soaring to a record-breaking 38C12:43, 21 Jun 2026Updated 13:03, 21 Jun 2026UK weather: Met Office issues warning for extreme heat An extreme heat warning has been expanded as the UK braces for a heatwave that could send temperatures soaring to a record-breaking 38C.The Met Office said the hot weather could last until at least Thursday, sparking weather warnings, health alerts and concerns for vulnerable people.Forecasters have said there is "growing confidence" this week could break the record for the hottest June temperature of 35.6C, which was set in 1976 in Southampton.On Sunday, an amber extreme heat warning issued by the Met Office was expanded to last from Monday until Thursday.The alert warns of potential health impacts from the heat and a possible increase in water-related accidents.Monday and Tuesday’s warning covers most of southern England, central and eastern Wales, and much of the Midlands, while Wednesday and Thursday’s alert also includes parts of Greater Manchester, Yorkshire and Cheshire.People in the alert area are advised to drink plenty of fluids and to keep out of the sun, and avoid exercising between 11am and 3pm, the Met Office said.Separate amber heat health alerts have been issued by the UK Health Security Agency (UKHSA) which now cover most of England from Monday morning until Friday night. A UKHSA yellow heat alert is also in place for north-east England during the same period.Article continues belowThe climate crisis is making extreme weather events - including record-breaking temperatures, heatwaves, floods, droughts and storms - increasingly common across the world.It comes after a Met Office report published in May found there is an 86 per cent chance that at least one year between 2026 and 2030 will be hotter than 2024, currently the planet's warmest year on record.The report also found there is a 91 per cent chance that global temperatures will temporarily exceed 1.5C above pre-industrial levels in at least one of the next five years.Choose Daily Mirror as a 'Preferred Source' on Google News for quick access to the news you value.WeatherMet OfficeHeatwave
Extreme weather warning issued as UK set for record-breaking 38C heatwave
An extreme heat warning has been expanded as the UK braces for a heatwave that could send temperatures soaring to a record-breaking 38C
TL;DRAI
UK Met Office expanded amber extreme heat warning forecasting record 38C temperatures Monday-Thursday across southern England, Wales, Midlands, and northern regions. Increasing frequency of extreme weather events signals broader climate resilience challenges affecting infrastructure planning and operational continuity across all sectors.
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