UK weather: heavy rain and possible heatwave in ‘split’ forecast

Yellow warning for downpours in south-east England and parts of Wales but western Scotland could reach 26C

The weather across the UK could be split this week with heavy downpours in southern England and a heatwave in western Scotland, with the expected rainfall prompting a yellow warning from the Met Office.

Southern England will have a spell of unsettled weather" that could include thunderstorms, lightning, strong winds and hail, while the worst affected areas may experience more than 50mm of rainfall within two hours.