UK weather forecast: Charts show icy Arctic BLAST to smash Britain in days – latest maps

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    Weather maps produced by WxCharts show the whole of the UK turning blue by the end of the week as cold air moves in from North America. A deep area of low pressure will begin on its southerly descent from the continent on Wednesday before covering the whole of Britain by this Saturday. Temperatures across the UK are set to be slashed to single figures, with overnight lows of -2C bringing widespread frost across large parts of Britain.

    By the weekend the temperature is set to dip considerably below the seasonal average, with a map produced by the Weather Outlook showing a V-shaped slump, with mercury dipping below zero degrees.

    According to the BBC long range forecast, the current mild conditions will be replaced by a “powerful zone of low pressure over the Atlantic, racing our way from northern Canada, will push our high pressure away.”

    The sudden change in weather will also bring widespread showers and possible thunderstorms before Mercury plummets into the weekend.

    The BBC long range forecast states: “Turning cool and unsettled between Wednesday and next Sunday, as a deep area of low pressure moves in.

    “This will bring showers or longer spells of rain, with a risk of a few thunderstorms on Thursday.

    “Colder air from the north-west will arrive by Friday and the weekend.

    “A few wintry showers in Scotland, Cumbria and over the Pennines, while frost at night becomes likely in parts of the north.”

    Wednesday will see highs of 18C in the UK before temperatures begin to fall off a cliff.

    The area of low pressure will close in overnight on Friday bringing lows of -2C in Scotland, -1C in the north and 3C in the south.

    By Saturday, temperatures will struggle to make double figures with highs of 9C in Scotland and 11C in Wales and the south of England.

    The cold snap will persist overnight on Saturday with freezing temperatures for most of the UK, seeing lows of -1C in Scotland, zero in the north and 1C in the south.

    Britons are set to wake up to widespread frost with chilling temperature set to remain by midday on Sunday, with highs of just 2C in Scotland, 1C in Wales and 3C in London by 12pm.

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    “Generally windy weather coupled with spells of rain and showers will likely continue through next week, with those showers becoming heavy and blustery at times.

    “The heaviest rain most likely in the north and northwest, which may also see gales at times. Meanwhile, there may still be brief interludes of drier and sunnier weather, most likely in the south and southeast.

    “Temperatures will generally be rather cool, potentially cooler in more persistent rainfall, and overnight frost may be seen in prone parts of the north as and when calmer spells of weather allow.”



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