The Met Office has issued Yellow and Amber warnings for the East Midlands.
An Amber warning issued today at 3:21 pm is in force until 7 pm on Monday 12 June.
It takes in the southern border of Nottinghamshire.
The Met Office said:
‘A cluster or line of very active thunderstorms is moving towards the northwest from from Bedfordshire and Buckinghamshire towards the West Midlands.
‘These will bring a period of exceptionally heavy rainfall with 30-40mm falling in around 30 minutes, perhaps around 60mm in an hour for some locations. Frequent lightning strikes, winds that may gust to 45 mph, and some large hail stones perhaps up to 4cm in diameter will also accompany the storms.
‘water flooding may happen very quickly, likely disrupting travel and flooding some properties (especially in urban areas).
‘Lightning, strong winds and hail will all pose a significant danger to those outdoors. The ultimate northwestern extent of this area remains somewhat uncertain.’
The Yellow warning which includes Nottinghamshire is in place until 9 pm on Monday 12 June.
The warning states: Thunderstorms and torrential downpours are expected to break out across central England and Wales during Monday. These will be slow moving and intense leading to some large accumulations with in excess of 30 mm in an hour for some locations and the potential for 60-80 mm or more in a few hours where thunderstorms align for a time. Frequent lightning and hail are likely to be additional hazards.