BRITS are bracing for bone-chilling -6C temperatures over Christmas with up to 10 inches of snow set to fall.
Freezing conditions are expected over the festive period - although temperatures are set to stay mild this weekend.
Highs of 13C are forecast in parts of the UK over the next two days - but the Met Office has issued a yellow warning for fog today and tomorrow for areas in East England.
The Met Office has warned icy fog could lead to poor visibility on the roads which could cause travel disruption.
But temperatures are set to plunge to freezing in the days before Christmas with biting lows of -6C expected in Scotland on the big day.
Storm Corrie is then set to lash the country with blizzards and chilly winds blasting in straight from the Arctic just after Christmas.
Heavy snow is then set to hit parts of the country - with some areas expected to be blanketed in up to a staggering 10 inches of the white stuff.
If the poor weather does materialise, parts of central and southern Wales would see astonishing drifts of snow as deep as 9.8 inches in places.
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Oxford and its surrounding areas could also see 5.1 inches.
The Met Office is currently forecasting a dry and cloudy Christmas, with fog in places and the chance of drizzle and some frost overnight.
Forecasters for the service say it'll get much colder towards the New Year.
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"At the start of this period it will be settled and predominantly dry with large amounts of cloud, though cloud may well be thick enough for the odd spot of drizzle at times," they said.
"In general, cloud amounts will tend to reduce with time, with a corresponding increase in the risk of overnight fog and frost, which may be slow to clear by day in some areas.
"Towards the middle of the period, there is an increasing chance of more unsettled and windier weather affecting the UK, with rain, and perhaps snow, possible for some places.
"Temperatures will generally be near to below normal, perhaps rather cold in the south, feeling chilly where any fog persists, and locally mild in the north and northwest."
Bookies say the city most likely to see snow when Santa arrives is Aberdeen, with odds of 5/2.
Edinburgh and Glasgow are both priced at 3/1.
In England, the destination with the best chance of a sprinkling of snow on the day itself is Newcastle, also at 3/1, followed by Leeds at 7/2.
Northern Ireland is next in the betting with Belfast, which is considered 5/1 to see snow on December 25.
Elsewhere, five more storms will tear across England this winter.
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British Weather Services meteorologist Jim Dale said: "We are expecting one more major storm this month which will set the trend for coming months.
"We expect five to six storms to hit through the winter period which could be severe enough to warrant naming."