11:37AM, Tuesday 19 July 2022
Heavy rain and thunderstorms could hit Slough, Windsor and Maidenhead on Wednesday afternoon, the Met Office has warned.
A yellow weather warning has been issued for 1pm to 9pm tomorrow across London and the South East of England.
The Met Office said heavy downpours and thunderstorms are expected to develop across central, southern and eastern parts of England.
Most areas will only see small amounts of rain but there is a chance of isolated heavy rain and lighting, the UK’s national weather service said.
Up to 30mm of rain could fall in an hour in the worst-affected areas.
Drivers are being warned to expect severe delays following the earlier closure of the M25 in both directions between Heathrow and the M4 exit.