Drivers have been told to stay alert on icy roads amid a yellow weather warning as temperatures plummet to -4C ahead of 'thundersnow' that could wreak havoc over a freezing weekend.
Thundersnow is similar to a thunderstorm but instead of heavy rain snow falls on the ground.
Heavy frost across Scotland will make ice a major problem in the early hours of Saturday and the rest of the UK is forecast to see low temperatures for a wet and windy weekend.
Yesterday night saw a Yellow Weather Warning for ice put in place for Scotland and parts of Southern England and Wales- with some areas seeing as much as 11cm (4.3in) of snow.
The threat is set to continue in Scotland where there remains a high chance of ice patches throughout the country.
Temperatures are expected to get slightly milder through the early hours of this morning, with rain coming in from the West.
BBC forecaster Christopher Blanchett said: 'Through the course of this evening and overnight, our concern is with ice and there is a Met Office yellow warning in force through west central Scotland and the south.
'There is a chance of icy patches almost anywhere and under clear skies temperatures are readily falling away to sub-zero and in rural parts of the north east perhaps minus 6C.'
Motorists make their way through falling snow near County Durham on Thursday
Meteorologists predict ice and frost across west Central Scotland and the South with temperatures getting slighter milder this morning
Commuters struggle in heavy traffic in Mossley, Greater Manchester as 'thundersnow' hits the area
People walk in heavy snow in Hawes, North Yorkshire on Thursday
And NHS Greater Glasgow and Clyde (NHSGGC) has issued advice to 'walk like penguins' in the icy conditions to avoid getting injured.
It is urging people to bend their knees loosely, point out their feet slightly, extend their arms at the sides, walk flat-footed- taking short steps, and to keep their centre of gravity over the feet in order to avoid falling.
Linda de Caestecker, Director for Public Health at NHS Greater Glasgow and Clyde said: 'While it might seem silly to walk or waddle like a penguin, in the context of the wintery conditions we're seeing today, penguins know best.
'If you find yourself out and about in icy conditions, adopting the penguin stance is
