Update (Thursday 11 June)
The yellow weather warning of rain issued by the Met Office is now valid from 01:00 on Friday 12 June to 09:00 on Saturday 13 June.
Met Office Chief Forecaster has said:
“An area of warm, very humid air is expected to move northwards across France into southern Britain later on Thursday and into Friday.
Whilst isolated thunderstorms are possible from Thursday, these become more likely and potentially more severe by Friday afternoon, with the potential for 20 to 30 mm falling within an hour or so, probably on a very localised basis.
Indications are that a more organised band of heavy rain and thunderstorms will follow by Friday evening and overnight into Saturday, bringing 25 to 50 mm of rain more widely,”
The Met Office has issued a yellow alert of rain across South West England this Friday and Saturday.
The areas affected are likely to be:
Bath and North East Somerset, Bournemouth, Bristol, Cornwall, Devon, Dorset, Gloucestershire, North Somerset, Plymouth, Poole, Somerset, South Gloucestershire, Swindon, Torbay & Wiltshire.
The warning is valid from 12:00 Friday 12 June to 07:00 Saturday 13 June.