The flooding may deliver disruption to move companies and energy strains from 9am on Friday till Saturday.
There’s additionally an opportunity of lightning and hail in South Wales this weekend.
A yellow climate warning for rain which may trigger some disruption in Cornwall, Devon, and the southern half of Wales can be in place from 7am.
A band of heavy rain and coastal gales is because of hit the South West on Thursday evening and persist via Friday.
The Met Workplace stated it will likely be largely dry however cloudy, with most temperatures of 12C in London on Friday.
By Saturday the in a single day rain is anticipated to clear to deliver “sunny spells and some showers” to Higher London.
Elsewhere, there shall be some rain concentrated in Aberdeen, however a cloudy outlook with vibrant spells anticipated for the remainder of the UK.
Temperatures are set to be delicate throughout the nation, starting from round 9C (48F) within the north of Scotland to 13C (55) in Plymouth.
The rain is about to ease over the weekend, leaving vibrant spells and blustery showers for many locations, with the wettest climate staying in western areas.
Delicate temperatures within the low teenagers are additionally predicted to final all through the weekend earlier than chillier climate strikes in on Sunday evening.
Extra reporting by PA Media.