According to forecasts, temperatures might go as low as -20C (-4F) tonight in some parts of England and at the weekend in the Highlands and North East Scotland. This would mean the lowest temperature this winter so far.
BBC: UK set for coldest night of winter with lows of -20C
BBC: Temperatures set to plummet further
The silver lining is that it brings some good stories and pictures:
BBC: Guests snowed in for New Year at UK’s highest pub
BBC: Panoramic sky ride over Yorkshire and Northumberland
Update: in the end the temperature fell even to -22.3C (-8.14F) last night at Altnaharra, Sutherland. The BBC pointed out this was near to the South Pole’s -22.9C and forecasted the weather to remain severe, though perhaps not as much, into the next week.