UK heatwave forecast as maps reveal exact date 39C heat plume to scorch country

Weather maps are predicting a 39C scorcherto hit the UK next month. Maps from WX Charts predicted temperatures of a sizzling 37C close to Bristol at around 6pm on August 13.

The map forecasts hot temperatures across the country, with 25C in Newcastle and heat of over 35C across the Midlands and southeast England. Wales could see temperatures of up to 37C around the border with Shropshire. The Met Office’s own prediction of this period is included in its long range weather forecast.

This says that towards the end of the period August 3 to August 12, there is “an increased chance of high pressure becoming more dominant”. This could lead to “drier and more settled conditions becoming more widespread and perhaps some warmer weather developing, compared to the preceding couple of weeks”. It comes after awarning to Brit tourists planning all-inclusive holidays to Spain.

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That could be followed by high pressure and " settled conditions" in the second half of August. For the early part of August, outbreaks of rain are expected in the south east “but any rain becoming light and patchy in the south”.

Experts added: “Early next week there is the potential for an unseasonably deep area of low pressure to affect the UK, which would bring widely windy and wetter weather, though the details around this are rather uncertain. Following this, a continuation of the broadly changeable pattern with occasional spells of rain or showers, some drier, brighter interludes and temperatures probably near average for the most part.”

It comes after the UK’s national weather service issued a yellow weather warning for thunderstorms on July 31. Regions and local authorities affected include the eastern England, London, the southeast, and the southwest.

The warning is in place from 10am to 9pm tomorrow. “Thunderstorms and heavy showers are expected to develop during Thursday morning and through the afternoon,” the Met Office said.

The weather service added: “These could produce torrential downpours in a few places with as much as 25-35 mm of rain falling within an hour and perhaps 60 mm within 2 hours. Frequent lightning and hail will be additional hazards. Storms will tend to become more confined to the south and east of the warning area later in the afternoon before dying out during the evening.”

Those affected by the warning should “consider preparing a flood plan and an emergency flood kit”, it said. Essential items include “torches and batteries, [and] a mobile phone power pack”.

In England, you can check to see if your home is at risk of flash flooding by visiting the Government's website. To prepare an effective flood plan, people should write down a list of useful contact numbers including the local council, insurance companies and utility providers.

People can also move their valuables to a safe place, learn how to shut off their electricity or gas supply and consider offering help to vulnerable friends or neighbours.

Flood kits could include: insurance documents and list of contact numbers; torch and spare batteries; first aid kit and any prescription medicines; warm waterproof clothes and blankets; bottled water and snacks; battery or wind-up radio; supplies for looking after your baby or pet.