Snow is already being reported in parts of north-west England, the Midlands and southern England.
A yellow weather warning is in place for snow and ice for England from the north-west down through the Midlands and across to Taunton in the west and London in the east. Parts of Wales, Scotland and Northern Ireland are also under a warning for snow.
The yellow warnings from the Met Office, in place from midnight until 6pm on Monday, advise of the potential for injuries from icy surfaces and delays to trains and road transport.
Snow fell in parts of Scotland, Northern Ireland and England on Sunday afternoon, while more than 100 flood warnings were in place across England following days of stormy conditions.
Two threat to life flood warnings were in place in Northamptonshire after days of wintry weather across the Christmas break, with a cold snap with icy and wintry conditions still to come.
The top wind speed was recorded at the Needles on the Isle of Wight where it reached 106mph overnight on Saturday.
Aberdaron in north-west Wales experienced gusts of 83mph, and locations on the south coast of England, including Dorset, got close to 80mph.
The gales meant that for the first time ever, more than half of Britain’s electricity was generated by wind power on Saturday.
According to energy firm Drax, 50.67% of the country’s power was produced by wind turbines.
Fire crews in north Yorkshire had to rescue a number of people from vehicles stranded in floodwater overnight.
North Yorkshire Fire and Rescue Service said they used a boat to rescue two men and two dogs from a vehicle stuck in flowing floodwater in Hawes at 12.37am on Sunday.
In Aysgarth, a man and a woman were also rescued by boat from the roof of their car at 2.40am after they drove into deep floodwater.
And firefighters walked a woman to safety through shallow water in Wensley at 3.35am after a minor collision while driving through floods.
The disruption continued into Sunday morning when flooding on the tracks caused cancellations and delays.
All trains between Bournemouth and Southampton Central were stopped due to water on the line, Great Western Railway said, and one of the major lines into London was also blocked when a tree fell on to the tracks in Haslemere, Surrey.