VIDEO: Flood warning issued with up to 40mm of rain possible in just an hour

HOMES, businesses and roads could be hit by sudden flooding overnight on Wednesday, forecasters have warned.

Published 21st Jun 2017, 08:21 BST

Updated 21st Jun 2017, 08:26 BST

The Met Office has issued a yellow ‘be aware’ warning for rain with thunderstorms expected to hit parts of Rotherham in the early hours of Thursday morning.

Temperatures could reach 29C on Wednesday with bright and sunny conditions

Weather warnings are in force for Wednesday and into Thursday. Torrential #rain and #thunderstorms possible ? pic.twitter.com/S35f1KRhtr

— Met Office (@metoffice) June 20, 2017

But a band of heavy rain and hail could is expected to sweep across northern England.

A Met Office spokesman said up to 40mm of rain could fall in just an hour in places.

The warning is valid until 6am on Thursday.