ICE warnings are in force for much of the UK as Storm Arwen rips through the nation.
The killer conditions have sent temperatures tumbling and brought gusts of almost 100mph.
Snow has also blanketed much of Britain as the icy plunge takes hold.
And the “cold and frosty” weather is forecast to stick around – for up to two weeks.
Yellow weather warnings for ice today cover central, eastern and southern England, and north east Scotland.
They stretch from as far north as Aberdeen down to Southampton on the Hampshire coast.
The conditions are expected to make for “tricky travel” until at least 10am tomorrow.
Arwen has already claimed the lives of at least three people, including headteacher and dad-of-four Francis Lagan.
The “much-loved” principal was killed when a tree fell on his car in Antrim, Northern Ireland, on Friday.
A 35-year-old driver also died under similar circumstances on the B977 in Aberdeenshire around 5.45pm on Friday, while a third person was fatally crushed by a falling tree in Ambleside, Cumbria.
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The mercury plunged to -1.3C in Scotland last night as the bone-shaking chill took over.
And the top temperature anywhere in the UK was just 8.5C in Cromer, Norfolk.
It is set to remain just as chilly today and into next week, clocking -3C in the Midlands, Yorkshire and Northumberland.
High winds are also expected to continue to cause carnage after destroying several buildings and cars as speeds approach 100mph.
Over the weekend in Brizlee Wood, Northumberland, windspeeds hit a whopping 98mph – closely followed by Berry Head, Devon, where 92mph gusts were recorded.
In Orlock Head, County Down, winds of 87mph were noted. Meanwhile, gusts hit 81mph in Aberporth, Dyfed, and 79mph in The Needles on the Isle of Wight.
During the chaos, around 150,00 homes have been left without power.
Last night, Scotland had 75,000 homes cut off, while England had 55,000 and Wales had 11,000.
Summing up the damage caused by the first named storm of the season, the Met Office said the strong winds and a mixture of rain, sleet and snow led to “power cuts, transport disruption, trees fell, there were large coastal waves and blizzards affected some hills”.
It is now feared snow could fall for two weeks straight in the killer storm’s aftermath, lasting well into December.
WX Charts show the wintery weather will continue next Friday affecting England, Scotland and Wales.
And Brits will be braced for weeks of cold conditions – as more snow is currently also forecast for December 13.
This means that snow could fall – potentially causing transport and travel issues – for the next fortnight.
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