UK weather warning: Long-range charts show winter RETURN with sudden Arctic blast

The UK has been experiencing warm spring weather over the past week, with thermometers nudging towards 25C on Easter Sunday and 22C on Thursday this week in some parts. But, the warm weather, which has seen Britons relaxing in their gardens and on balconies, could soon come to an abrupt end according to the latest long-range weather charts. According to WxCharts, colder Arctic air is expected to drift southwards on Friday 24 April into Saturday 25 April, gripping much of the country.

The bone-chilling air is likely to bring overnight frosts for some, with the north expected to see the lowest temperatures, particularly overnight.

A further spell of bitterly cold air is also expected to drift southwards once again at the very start of May.

The temperature chart, however, shows Scotland and the northeast of the country experiencing the worst of the colder conditions this time around.

Additional maps by WxCharts show minimum temperatures struggling to stay above freezing overnight during this period, particularly in Scotland, with thermometers tumbling as low as -2C on Friday 24 April.

Meanwhile, the minimum temperature chart for Saturday 25 April also shows much of England and Wales too struggling to keep its overnight temperatures above freezing.

The long-range forecast by the Met Office also warns of “overnight frost” towards the end of the month.

The Met Office forecast from Monday, April 20, to Wednesday, April 29, reads: “Generally warmer in the south, with temperatures around average elsewhere.”

And moving into the week following, it adds: “Settled conditions seem likely to continue across the north with a good deal of sunshine and dry weather, as well as some overnight frost.”

The Met Office warns that “showers and some longer spells of rain are possible for many southern parts of England” which may turn “heavy and possibly thundery at times”.

The long-rage forecast finishes by adding: “Temperatures generally on the warmer side in the south, but it may be cooler in the north and around the coasts.”

And moving into the start of next month, the Met Office says “northern areas may see a continuation of the settled weather”.

While “towards the middle of May, there looks to be a shift towards more unsettled conditions, though confidence is low at this time.”

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The Met Office added that its long-range forecast is unpredictable due to the “chaotic nature of the atmosphere” with “small events currently over the Atlantic” potentially impacting “our weather in the UK in several days’ time”.

Meanwhile, this week, Thursday is likely to see the best of the temperatures for much of the country with thermometers nearing 22C in London.

But, forecasters have warned about heavy rain and potential thunderstorms sweeping in from the southwest on Friday – forcing temperatures to dip.

Brian Gaze from the Weather Outlook said: “Thursday starts fine and there has been a touch of frost in places.

“Through the rest of the day it remains dry in most of the UK and warm sunny periods develop.

“There will be a couple of exceptions. In northeastern Britain, thicker cloud could bring a few spots of rain. Also, the risk of showers in southern England increases this afternoon.

“Temperatures range from a cool 9C (48F) in the northeast to 22C (72F) in the London area.”

Looking towards the weekend, Mr Gaze said: “Tomorrow it stays dry in the north. In the south and particularly the southwest heavy showers are expected. At times they could merge to give longer outbreaks of rain.

“The wet conditions edge northwards and probably reach central counties by the late afternoon. It will feel cool in the wet areas and eastern Britain. A blustery wind also makes it feel chillier.”

Settled conditions seem likely to continue across the north with a good deal of sunshine and dry weather, as well as some overnight frost

Met Office

The Weather Outlook forecaster said the weekend would be “mixed” before temperatures pick up again next week.

He said: “Saturday looks dry and bright in Scotland. Elsewhere there will be showery rain. Some brighter spells are likely, particularly in the south where it could become quite warm in the afternoon.

“By Sunday showers become more scattered. In sunny spells, it feels warm with temperatures in the southeast possibly climbing to 21C (70F).

“During Monday and Tuesday, the risk of showery rain continues. By the middle of the week, it is expected to become drier and warmer again.”

Leading bookmakers have slashed odds on this spring to go down as the hottest on record. Alex Apati of Ladbrokes said: “The odds are continuing to tumble on this spring going down as the hottest ever.”

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