A thunderstorm could bring heavy rain and lightning to Surrey and Hampshire early on Saturday, the Met Office has warned.
Forecasters have issued a ‘yellow’ weather warning for London and the South East, valid from midnight until 10am on Saturday, June 4.
A Met Office spokesman said: “There is the possibility of thunderstorms moving north into southern counties of England during the early hours of Saturday, these then easing later in the morning.
“Many places will miss the worst of them, but where they do occur frequent lightning and heavy rain is possible.
“A few places could see 20-30 mm of rain within an hour, with a small chance of 50 mm in 2-3 hours, most likely near the south coast.”
What to expect
- There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds
- Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services
- Spray and sudden flooding could lead to difficult driving conditions and some road closures
- There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost
For the full warning details and map view see here.