The Met Office is ‘confident that temperatures will increase markedly’

Weather forecasting models suggest the UK could see temperatures rise to 35C as a heatwave grips the country - the Met Office has forecast 33C highs for Monday

The Met Office said the criteria for a heatwave was met at Heathrow today when the mercury soared to 30C by 2pm.

Highs of 35C are forecast on Monday and Tuesday