The Met Office has issued a yellow weather alert as heavy showers are set to blast parts of Britain on Monday afternoon.
The UK's national weather service has warned that "scattered thunderstorms could lead to some flooding and disruption in places".
Extreme conditions, in England and Wales, are expected to result in difficult driving conditions, with road closures and cancellations of train and bus services predicted.
Along with travel disruptions, the Met Office has also issued a flood warning, with a "small chance" that homes and businesses could be damaged from floodwater, lightning strikes, hail or strong winds.
The Met Office has issued a yellow weather alert as heavy showers are set to blast parts of Britain.
Met Office
According to the weather service, there is a slight chance of power cuts and other services to homes and businesses.
Expected rain has been described as "intense for short periods of time", with 20-30 mm falling in less than an hour.
As thunderstorms grow larger, 40-50mm of rainfall is predicted within one to two hours in the most extreme cases.
Although conditions will lighten up through the evening, the Met Office advises against additional hazards of lightning, hail and gusty winds.
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The National Weather Service states that people in affected areas should consider preparing a flood plan
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The National Weather Service states that people in affected areas should consider preparing a flood plan, an emergency flood kit and prepare to protect your property and people from injury.
Bins, garden furniture, trampolines, tents, gazebos, sheds, and fences should also be secured to avoid damage and injury.
The Met Office also advises that essential travel should be amended to avoid delays.
Torches, batteries, a mobile phone power pack and other essential items are advised in preparation for potential powercuts.
This warning has a very low likelihood and a medium impact
The Met Office
This warning has a very low likelihood and a medium impact.
The Met Office recommends staying up to date with the weather forecast in your area and planning for essential travel.
The warning was issued shortly before 10am on Sunday, May 11.
