A Met Office warning is in place for tricky driving conditions today with temperatures plunging to -8C in Scotland.
The yellow alert for ice is currently in force.
Sleet, rain and snow are also mentioned with the alert lasting until 11am.
FREEZE: -8C and snow to batter Britain this week starting today
SNOW: At 9am on Wednesday snow will hit most of the UK
“We could also see snow across other parts of the country in the run up to the new year ”
Then bitter cold will hold out through this week with further wind, rain and snow set to hamper holiday plans.
According to Weather Outlook maps, Wales, the Midlands and the south west will wake up to snow tomorrow morning.
Northern Scotland will see the majority of the snow on Thursday with a light dusting in Wales.
BRRR: Thursday at 12pm will see snow in Scotland
Then northern England and Scotland will see heavy snow on Friday and Saturday.
Cold weather this week will come as a shock to the system after a balmy Christmas Day saw temperatures hit 12.6C in Cornwall.
Although much of the country missed snowfall again this year Scotland officially saw a White Christmas after flurries fell on the big day.
Despite the cold, across the world revellers took a dip in the sea in the name of tradition.
COLD: The Midlands and Scotland will see snow on Friday at 6am
Exacta Weather forecaster James Madden said: “There may also be an increased risk for some flooding in areas from heavy rainfall.
“We could also see snow across other parts of the country in the run up to the new year and into January.”
Met Office forecaster Marco Petagna said today will see storms and snow.
He said: “Gales to reach 55mph in exposed spots with heavy rain with wintry showers which could reach southern regions.
“There is the potential for up to four inches over high ground in the north as we revert back to a northerly airflow making it feel much colder as winds arrive from an Arctic origin through the week.
“There will also be some heavy rain around and it will be windy for some on Tuesday night with up to two inches over high ground in the south.”