Met Office warning of strong winds and heavy rain for the south
A weather warning is in place from 1.00pm to 10.00pm on Saturday
A yellow warning for heavy rain has been issued for Dorset, Hampshire, Isle of Wight and Sussex.
The Met Office is forecasting some areas could get up to four centimetres of rain in just a few hours.
A yellow warning of strong winds is also in place with gusts of up to 65mph expected in exposed coastal areas.
The Met Office spokesperson said: "A spell of strong southerly winds is expected to affect some southern and eastern parts of England during Saturday afternoon and into the evening.
"Gusts are likely to reach 45-55 mph inland with 65 mph possible along exposed coasts.
"Heavy rain will be an additional hazard, with as much as 30-40 mm of rain falling in 3-6 hours in some parts of south and south-east England."
The Met Office said it could affect travel with some delays on the roads and trains, as well as ferry transport.
Some short term loss of power and other services is possible.