Forecasters have issued a yellow weather warning for the south eastÂ today.
Weather experts have said that thunderstorms are likely to break out across the region, bringing with it heavy rain and the chance of hail.
A Met Office said: '˜While some parts will see little rain, afternoon thunderstorms are likely to bring torrential rain, hail and lightning to a few places.'
The weather warning will run from midday until 7pm.
Forecasters have warned people that sprayÂ and sudden flooding could lead to difficult driving conditions and some road closures
There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes or hail, the Met Office said.
And there is a slight chance that power cuts could occur and other services to some homes and businesses could be lost
Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services
There is a small chance of fast flowing or deep floodwater causing danger to life
Heavy showers and thunderstorms are likely to break out this afternoon before fading away by early evening.
The Met Office saidÂ 20-30 mm of rain could fall in an hourÂ in a few places, leading to surface water flooding, whileÂ there is a chance of one or two impacts from lightning and hail.Â