A new weather warning has been issued for Norfolk amid an extreme heatwave.
The Met Office has issued a yellow weather warning for thunderstorms for the East of England, lasting until 11pm today.
It has warned: "Developing thunderstorms may cause impacts in a few places this evening, from frequent lightning, hail, and brief heavy downpours."
Earlier, the organisation extended the amber extreme heat warning until 9am on Sunday.
Parts of Norfolk are forecast to have temperatures peak above 30C with the forecaster warning hot and humid weather is set to continue.
It comes after the village of Santon Downham on the Norfolk and Suffolk border recorded the hottest ever day in June on Friday with temperatures peaking at 37.3C.
The Met Office is warning adverse health affects are likely to be felt by those vulnerable to extreme heat such as sunburn or heat exhaustion.
A spokesman for the forecaster said: "Temperatures overnight Saturday into Sunday remain unlikely to fall below high teens Celsius for most, with a few places not dropping below 20 Celsius.
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