Forecasters warn of possible flooding in Sheffield
The Met Office has issued a yellow 'be aware' warning for rain, which is valid until 8pm on Saturday with thunderstorms and large hail also possible.
It said: "Another day with the possibility that thundery weather could cause impacts due to flooding, lightning or possible large hail.
"Many parts will be wet and cloudy but only a few seem likely to see the heaviest downpours."
Showers are expected to ease from around 8pm, giving way to a humid night, with temperatures expected to remain at around 16°C.