Extreme heat warning: When will worst temperatures hit?

By ITV News

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Hundreds of schools are expected to close in the coming days and rail passengers are being advised to travel only if necessary, as the UK braces for record-breaking June heat. A “heat-dome” settling over western Europe could bring temperatures of up to 40C by Wednesday, with this latest heatwave expected to surpass the record for June set in Hampshire in 1976. A red weather warning for extreme heat covering an area from London to Swansea and Somerset to Birmingham was issued by the Met Office from 9am on Wednesday to 9pm on Thursday. The temperature could come close to the UK’s all-time high of 40.3C recorded in July 2022. As well as closing schools and causing travel chaos, the extreme heat is also expected to impact big events - Harry Styles fans have been warned to stay hydrated and wear loose and breathable clothing to his gig at Wembley Stadium on Tuesday evening. It is forecast to be 33C in Wembley at 5pm when the doors to the concert open, and fans have been instructed not

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