Heavy rain and floods are predicted over the coming days especially for the south of the UK (Image: PA)
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Brits are being warned to brace themselves for more heavy rain and flooding that could lead to travel disruption – despite it being the height of summer.
The Met Office has issued flood alerts for London and south England which will receive the bulk of the showers on Sunday due to a low pressure front over the coming days.
There's also risk of thunderstorms as well as downpours.
A two day warning for rain begins at 2pm on Sunday and goes into 7am on Monday, covering most of the south west of the country.
But there is little in the way of a summer feel to the weather in the south and sun seekers are set for disappointment with little chance of them topping up their tans.
Forecasters have predicted flooding and travel delays across south Wales with some areas set to see up to 80mm of rain during Sunday and Monday.
There is a possibility of flooding on roads in South Wales with the Met Office warning motorists to take care
Motorists are being told to take care with the spray and flooding leading to difficult driving conditions, and even potential road closures.
"Where flooding occurs, there may be delays or cancellations to train and bus services," said the Met Office, pointing out conditions could also turn "thundery".
It added: "There is a small chance that homes and businesses could be flooded, causing damage to some buildings.
"There is a small chance of fast flowing or deep floodwater."
Low pressure over the north of France is the reason for the rain that in the south that could become heavy on Sunday evening
(Image: Met Office)
Met Office forecaster Ben Rich said that the rain is set to get heavier in the south as Sunday continues.
He said: “An area of low pressure that has become marooned just to the north west of France and it will be throwing this band of rain northwards across the Channel Islands into southern counties of England through Sunday morning.
“The odd shower running ahead of that into East Anglia, the Midlands, parts of Wales, more persistent rain into the south Midlands and the far south of Wales later.
“Through Sunday evening some of this rain could turn pretty heavy with the odd rumble of thunder. It will move northwards over night into parts of East Anglia, the Midlands, Wales, maybe even clipping into northern England.”
It's been a mixed bag of weather for the last week, with downpours and grey skies in parts of the country and sunny elsewhere
There is a better outlook for the north which will be largely dry on Sunday although there could be some rain for the north of Scotland.
Similarly on Monday there will be rain for the south while temperatures are higher in Scotland and could reach 24C in Aberdeen.
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High pressure means the weather is set to be drier and sunnier with a chance the mercury could hit 25C on Tuesday in Glasgow, said the Met Office.
Tennis lovers looking forward to the start of Wimbledon should be wary though as it looks like there could be some stoppages for rain.
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Rich said: “Showers in the south not great news for the start of Wimbledon there could be some interruptions to the play on Monday and indeed on Tuesday because our slow moving weather system will still be with us.
“Further pulses of rain across the south of the UK whereas further north our area of high pressure will keep things drier sunnier and warmer.
"In fact we could see temperatures on Tuesday in Glasgow getting up to 25C but always the chance of outbreaks of rain further south."
MET OFFICE OUTLOOK Sunday:
Many parts dry with warm sunny spells after early low cloud clears. Some showery rain affecting the far south, becoming more widespread and heavy later with a risk of thunder.
Heavy rain moving northwestwards across parts of England and Wales. Mostly dry across Scotland and Northern Ireland with patchy cloud and clear periods.
Cloudy across Wales, the Midlands and northern England with some heavy rain at first, turning lighter and patchier later. Some warm sunshine elsewhere but heavy showers developing in the south.
Tuesday to Thursday:
Rather cloudy across the south with showers or longer spells of rain, heavy with a risk of thunderstorms in places. Largely dry in the north with warm sunny spells.