UK weather maps show 30C temperatures on two days this week as heatwave strikes

Exact days UK heatwave will exceed 30C this week before 'temporarily' cooling down
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UK temperatures are set to soar above 30C in some areas this week as a heatwave strikes.

Exacta Weather forecaster James Madden reckons official heatwave conditions are on the cards in the coming days, with temperatures expected to hit "the low 30Cs at the very least" across "central, southern, and eastern" England.

Madden said on Facebook today (Monday, June 24) maximum temperatures will reach "the high 20Cs and maybe even 30C" from now until Wednesday (June 26).

The Met Office defines a heatwave as "when a location records a period of at least three consecutive days with maximum temperatures meeting or exceeding a heatwave temperature threshold". In the UK, this threshold varies from 25C to 28C between counties. Madden reckons this threshold will be met at the start of this week, "particularly when some parts of the south will certainly well exceed these values over the coming days, with potential maximum temperatures reaching the low 30Cs".

weather map
Maximum possible temperatures at 3pm on Wednesday (UKV model)

Temperatures are "temporarily" expected to cool down with possible "thundery breakdown" in the north on Thursday (June 27) and Friday (June 28), Madden said. He added: "However, there are question marks surrounding the extent and longevity of these exact developments, and parts of the south and regions in the southern half of the country may actually escape any temporary cooler and unsettled blip later on in the week altogether as the influence of high pressure and warm temperatures clings on for longer than expected in these parts."

The Met Office's UKV weather model suggests London and the English-Welsh border could see temperatures soar to 30C on Wednesday, while East Anglia might hit 31C on Thursday.

The Met Office's forecast warns of "hot sunshine" early this week. It says for: "Scotland and Northern Ireland will see some showery rain on Tuesday. Elsewhere most places will stay fine with light winds and further very warm or hot spells of sunshine.

"Cloudy and cool in the northeast on Wednesday. Warm, or hot sunshine elsewhere. Showers possible in the southwest. Rain likely moving east on Thursday. Turning brighter, showery, fresher for Friday."