The weather warnings come in the aftermath of a heatwave across parts of the UK

The country's fourth heatwave of the summer will be at its peak today, with Berkshire, Oxfordshire, and the outskirts of London set to see the highest temperatures.

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The weather warnings come in the aftermath of a heatwave across parts of the UK

Heavy thunderstorms are set to disrupt the warm weather in some areas

A yellow heat alert has been extended until Monday, with temperatures expected to hit 30C over the weekend.