The heavy rain and thunderstorms of recent days is expected to continue according to the latest forecast from the Met Office.
Last night saw Liverpool skies lit up by flashes of lightning described as something from " War of the Worlds ".
The storm came after two yellow weather warnings were issued by the Met Office for thunder and lightning storms on Monday and Tuesday.
Summer storms have followed up and down the country in the wake of the nation's recent heatwave.
The Met Office has issued a weather warning covering most of the UK stretching until Thursday evening, though southern parts of the country are expected to enjoy finer weather following the heavy rain on Monday.
Forecasters say an area of heavy rain and thunderstorms is expected to move north across parts of Scotland this morning, with scattered storms expected for other parts of the country, and very hot weather expected for the south-east.
Following Monday's rainfall, the Environment Agency has issued four warnings for expected flooding in the north-west - two at Lancaster and two at Ulverston.
Five flood alerts, which are warnings of possible flooding, are in place for Birmingham and surrounding districts.
In the north, some heavy showers and thunderstorms are expected though the night will remain warm and muggy across most of England.
Liverpool is expected to be relatively dry today with maximum temperatures of 26C, though a Yellow warning remains in place for thunderstorms across the city.
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The Environment Agency said it would update its flood warnings and alerts as the situation changes.
Should you wish to keep up to date with the latest warnings, you can check on the Gov.uk website, social media, or via the Floodline service on 0345 988 1188.
The Met Office warned flash flooding could cause travel disruption and power cuts, but also cautioned about the risks caused by fast flowing or deep floodwater.
The current heatwave is nowhere near the infamous summer of 1976, one of the longest in living memory in the UK, when temperatures reached 32C or higher somewhere in the country for 15 consecutive days.
