Brits face up to 10 inches of snow on Thursday morning with temperatures as low as -8C making it colder than Alaska.
It is expected that the freezing temperatures remain for the coming days in parts of the country although the mercury will rise over the weekend and even reach double figures in some areas.
There are Met Office yellow warnings in place for ice and snow on Thursday which run until midday in northern Scotland, the north west of England, Wales and Northern Ireland.