The UK Health Security Agency (UKHSA) has issued a yellow heat health alert to cover six regions in England ahead of what is set to be the fourth heatwave of summer .
Forecasters have told Brits to expect temperatures above 30C across parts of the country next week, with a chance of highs of 34C in southern areas .
An official heatwave is declared when an area sees three consecutive days of temperatures above the "heatwave threshold". For most of the UK this is 25C, but it's 28C for London and the Home Counties.
In London, highs of 29C are forecast on Monday (August 11), 29C on Tuesday, 30C on Wednesday and 28C on Thursday.
Met Office Deputy Chief Meteorologist, Steven Keates, said: "We’re confident that temperatures will increase markedly by the start of next week, reaching the lo