The Met Office has extended a warning of possible thunderstorms.
Thunderstorms had been forecast for Monday and Tuesday, across Cumbria and beyond.
Now they are predicting thunderstorms to continue on Wednesday and Thursday as well.
The weather monitoring authority has put in place a yellow weather warning for thunderstorms from Monday to Thursday, for the entirety of the UK.
On Friday The Met Office said: "Some places are likely to see severe thunderstorms early next week - but there is significant uncertainty in location and timing."
A spokesman for the Met Office added: "There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes and large hail."
The authority also warned of possible delays to some public transport services as a result of potential flooding or lightning strikes.
"Spray and sudden flooding could lead to difficult driving conditions and increased chance of accidents," the spokesman added.
"There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost."
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