The Met Office has issued a "yellow" warning of rain for the Midlands this weekend with heavy showers expected to develop in the region this afternoon and into Sunday.
It is thought that as much as 30mm of rain could fall within an hour and 50mm or more in less than three hours this evening.
The Met Office says:
"The public should be aware of the risk of localised disruption to travel, due to surface water flooding and lightning strikes."
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West Midlands weather: A chance of some patchy rain during the night, with mist and fog in places.
East Midlands weather: Any showers will die away during the evening to leave a night with some mist and fog patches.