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Daily Mirror
Daily Mirror
National
Alan Johnson

UK weather forecast: Sweltering 32C heat before thunderstorms and flooding warning

With a sweltering 32C forecast for some parts of the UK on Sunday it may come as a surprise that the Met Office has issued a yellow warning for thunderstorms for others on the same day.

Saturday fell short of becoming the hottest day of the year so far with Wisley in Surrey recording a national high of 29C - unable to match the June 10's 32.2C scorcher elsewhere in the same county.

The mercury on Sunday, however, is expected to rise to a level within touching distance of that searing heat some 15 days earlier, possibly even surpassing it according to Met Office meteorologist Greg Dewhurst.

"It will be a case of watching those temperatures [on Sunday] afternoon," he explained.

Mr Dewhurst continued: "If you are outside in the sunshine, stay hydrated and wear sun protection.

Sunday could prove the hottest day of 2023 so far (Getty Images)

"It is also going to be a warm humid night tonight and some people may find it uncomfortable for sleeping. The minimum temperatures for most will be the mid to high teens. It will be very warm and humid."

In contrast to the sunshine, however, the Met Office forecasts lightning, hail and strong, gusty winds could be on the way for some unfortunate areas.

"We will see temperatures rise quite quickly tomorrow in the sunshine and we do need to keep an eye on the risk of thunderstorms as we move to the afternoon and evening, particularly across the north east," Mr Dewhurst continued.

The aforementioned warning, meanwhile, is in place in parts of northern England and Scotland from 1pm to 9pm on Sunday.

The north east is at particular risk of thunder and lightning on Sunday (Getty Images)

The Met Office warns that although rainfall will "vary significantly", some locations could see as much as 30-40mm in the space of one or two hours, with flooding possible as a result.

It said: "Whilst there remains some uncertainty in whether thunderstorms develop as cooler conditions follow from the west, there is a chance that an organised line of thunderstorms could develop across northern Britain during Sunday afternoon before clearing east into the North Sea during the evening.

"This is more likely to happen across eastern parts of the warning area including northeast England and eastern Scotland."

In light of the forecast, meanwhile, the UK Health Security Agency has issued an alert of its own.

The UK Health Security Agency has issued a Heat Health Alert that will be in place until Monday morning (Getty Images)

The body's head of extreme events, Dr Agostinho Sousa says a Heat Health Alert is in place until 9am on Monday.

"This alert means that in the coming days we are likely to experience another period of hot weather, so it’s important that everyone takes sensible precautions while enjoying the sun," he said.

"Forecast temperatures this week could primarily impact those over the age of 65 or those with pre-existing health conditions.

"If you have friends, family or neighbours who are more vulnerable, it is important to check in on them and ensure they are aware of the forecasts and are following the necessary advice."

UK weather five-day forecast:

Rain and thunderstorms moving eastwards today.

Today:

Outbreaks of rain, some heavy and thundery gradually move eastwards during the day, reaching eastern England by evening. Some southern areas though remaining dry and feeling hot and humid across the south and east.

Tonight:

Rain and thunderstorms clearing eastern areas, with many areas dry with clear skies overnight. Isolated showers in west, especially Northern Ireland and western Scotland. A more comfortable night for sleeping.

Monday:

A fresher feeling day for all, with a mixture of sunshine and showers in the north but largely dry in south. Cloud and rain arriving in the far west later.

Outlook for Tuesday to Thursday:

A rather changeable period with spells of rain moving across the UK. Majority of the rain will be across western and northwestern areas where it will be windy at times.

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