An Amber Alert is in place for Devon, and the South West as wet and windy is set to continue through today (Thursday).
A met office spokesman said: "A spell of very wet and very windy weather is expected to move west to east across many parts of the UK during Thursday.
"Coming so soon after the heavy rain which fell in many places on Wednesday this is likely to provoke further issues with flooding. Additionally, winds will gust to 50 to 60 mph in many places, and even 70 mph in some exposed western areas.
"In view of the wind and rain combination, the public should be prepared for transport disruption."
The Environment Agency is also warning communities in south west England that further flooding is possible today.
A spokesman said: "Flooding of roads and rail networks caused significant disruption in both parts of the country yesterday.
"It is possible that up to 50 mm of rain will fall on already saturated ground leading to river flooding. And strong winds could worsen conditions, particularly surface water flooding, as leaves and debris block drains and channels.
"Our teams are working across the country, clearing watercourses of debris and monitoring river levels, and will be out in force over the coming days.
"People at risk of flooding should move their valuable possessions to a safe place before the heavy rain falls later on today. We also ask that people stay safe by staying away from swollen rivers and not attempting to drive through floodwater."
For more detail on the 50 flood warnings in place click here.