The Met Office has issued a yellow warning for rain across Somerset.
The warning comes into effect at 9 pm on Thursday, October 12 and will be lifted at midnight on Friday, October 13.
Residents across Wellington and West Somerset were warned to expect spray and flooding on roads, likely flooding of some homes and businesses and delays to bus and train services.
In a statement a spokesperson for the Met Office said: "Rain, heavy and persistent at times, is expected to develop through Thursday evening, before affecting much of England and Wales through Friday.
"Rain gradually clears from the north through Friday afternoon and evening. Widely 10-20 mm of rain is likely but in the wettest spots 30-50 mm is possible. Across the south of the area its possible some thunderstorms may break out, and these could bring 20-30 mm of rainfall in a couple of hours."
For further information visit the Met Office website.