Parts of northern England, the Midlands and Wales are set to get a covering of snow that could lead to tricky travel conditions.
Up to 5cm of snow could fall, according to the Met Office, which has issued a yellow weather warning for snow and ice which runs until 6pm on Saturday.
It covers the north east and north west of England, Wales, the West Midlands and Yorkshire and Humber.
Drivers have been told to expect tricky driving conditions where the snow falls, while pavements could also be slippery.
Trains are also likely to be affected and journeys may take longer.
The warning states: “Southward-moving areas of sleet and snow are likely to give 2-5cm snow over higher ground above 200-300m whilst at lower levels snow accumulations will be smaller and patchier in nature with 1-2cm snow for some.”
Forecasters have predicted that the first week of January will see Britain gripped by “harsh frosts” and bitterly cold icy conditions.
Next week, cold easterly winds will develop, bringing wintry showers, particularly around eastern parts, while hazardous freezing fog, frost and ice risks will all continue, the Met Office said.
Meteorologist Alex Burkill said: “Obviously it’s very cold and it’s going to stay cold through this week.
“Whilst there will be some wintry hazards around, it’s not really until the end of the week until we see any significant snow.”
RAC Breakdown spokesman Simon Williams said: “The message for those who have to drive is to adjust their speed according to the conditions and leave extra stopping distance so 2021 doesn’t begin with an unwelcome bump and an insurance claim.
“Snow and ice are by far the toughest driving conditions, so if they can be avoided that’s probably the best policy.”