STORM'S COMING
UK weather: Met Office issues ‘severe’ thunderstorm warning with heavy rain – but glorious 33C sun is on the way
Take a look at the weekend forecast in the video above
BRITS have been warned of "severe thunderstorms" and heavy rain over the weekend - but temperatures are set to hit 33C.
Met Office forecasters revealed parts of the UK will be hit by downpours and fierce winds as we feel the ripple effects of Storm Debby.
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However, a short-lived spell of hot weather is also predicted with the mercury set to rise as high as 33C in certain areas of England and Wales.
The Met Office has issued a heat health warning along with the UK Health Security Agency (UKHSA) particularly targeted to those aged 65 and over, or anyone with a medical condition made worse by rising temperatures.
Sunday and Monday are expected to be the warmest days, with highs predicted to reach 33C in London, 26C in Manchester, 22C in Glasgow and 21C in Belfast.
The UKHSA warned the worst affected areas will be in London, South East, South West, East of England, West Midlands and East Midlands.
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The heat health warning is set to last for three days and will be in place from 9am on Sunday, August 11, until 9am on Tuesday, August 13.
"Significant impacts are possible across the health and social care sector due to the high temperatures, including: observed increase in mortality across the population likely, particularly in the 65+ age group or those with health conditions," the notice reads.
It adds: "But impacts may also be seen in younger age groups; increased demand for remote healthcare services likely; and internal temperatures in care settings (hospitals and care homes) may exceed recommended threshold for clinical risk assessment."
Meanwhile Scotland and Northern Ireland are set for temperatures in the high teens and low 20s.
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Warm air will move up from Europe on Saturday and continue through to Monday.
But, by Tuesday, temperatures will return to their seasonal average for this time of year, the Met Office said.
Hurricane Debby Lashes Florida
The spike in warmth is partly due to Storm Debby, which rocked parts of the US earlier this week.
It will shift the jet stream - a current of strong winds in the atmosphere which has a significant influence on UK weather - further south.
But this weather pattern could also trigger "severe thunderstorms" and periods of torrential rain over the weekend.
Today's forecast shows a wet and cloudy start across the south and east of England but conditions are set to improve throughout the day.
Tourists have made the most of the warm and sunny weather punting on the River Cam in Cambridge today.
Many headed to the picturesque Backs in the historic city to cool off as parts of south England are expected to see highs of 24C this afternoon.
And, beachgoers flocked to Bournemouth beach, in Dorset, this afternoon to soak up the sunshine.
Met Office Chief Meteorologist, Dan Suri, said: “Tropical Storm Debby in North America is helping to strengthen the jet stream, and is causing it to meander over the Atlantic.
"This will allow hot air to move into the UK later this weekend, and early next week.
“Temperatures are likely to reach the low 30 Celsius in places, notably in the south and southeast.
“Further north and west within this warm air, outbreaks of heavy showers or thunderstorms are possible.
“As well as the hot daytime temperatures, a very warm night is also expected on Sunday night into Monday”.
The weekend is predicted to kick off cloudy and humid in the south, with bright spells and intermittent showers in the north.
But Brits can look forward to a sunny afternoon and figures hovering in the 20s across England and Wales.
The high temperatures will also see a rise in pollen count throughout the country, along with high UV levels.
The Met Office recommends covering up during midday hours and wearing sunscreen.
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According to Ms Maxey, it is not unusual to see short spells of warm weather.
This is not considered a heatwave as temperatures need to exceed a specific threshold over three consecutive days in order to meet the criteria.
UK five day weather forecast
Today
Morning cloud and patchy rain across southern England will quickly clear to leave a fine and sunny day. Sunny spells and scattered showers elsewhere, most frequent in the north. Gusty winds across central and northern areas. Warm towards the southeast.
Tonight
Showers continuing across the northwest this evening. Clear spells elsewhere, though overnight cloud and patchy rain will move into western areas. Remaining breezy in the north.
Saturday
Cloud and patchy rain across England and Wales will gradually lift and break as the day progresses, though some southern areas staying cloudy. Brighter further north with scattered showers.
Outlook Sunday to Tuesday
Sunny spells on Sunday and Monday, with an increasing risk of heavy showers and thunderstorms. Hot and humid towards the southeast. Slowly becoming generally more unsettled and cooler from Tuesday.
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