70mph Arctic gales and two feet of snow on the way is going to make Britain be plunged into the freezer with.
A bitter blast from the north will send thermometers plummeting by around 8C this weekend heralding a cold and stormy run up to Christmas.
With just under a month to go, some forecasters say there is a chance of snow on the big day as winter tightens its grip.
They warn a “strong and active” cold front will sweep across Scotland and the north tomorrow as the rest of Britain braces for wind and rain.
It follows a mild and week which has saw temperatures hit a relatively balmy 13.6C (56F) in parts of the country.
Leon Brown, forecaster for The Weather Channel UK, warned to wrap up this weekend as thermometers dip to -2C (28F) in the north and close to freezing elsewhere.
He said: “A strong and active cold front is moving southeast on Friday with temperatures dropping some 8C behind it and turning a lot colder over Scotland behind the front with snow over high ground.