The Met Office warned of snowy conditions as the weekend continues and said ice and hill snow were most likely in Scotland today, with frost expected in some parts of the country
Yellow weather warnings have been issued for snow and ice in parts of the UK.
The Met Office says some roads and railways are likely to be affected with longer travel times by road, bus and train services.
Forecasters also predicted icy patches on some untreated roads, pavements and cycle paths.
Scotland and Northern Ireland are expected to be worst affected
Temperatures could also could dip by 16 degrees as snow and ice are forecast to hit parts of the country bringing a -3C arctic freeze.
After Storms Malik and Carrie mild conditions were more prevalent but this has dramatically changed overnight with a cold front coming in from the North West bringing freezing conditions.
WXCharts predicted -3 temperatures and snowfall for the next few days with up to 25cm forecast for parts of Scotland on Sunday.
The Met Office, meanwhile, warned of snowy conditions as the weekend continues.
It said ice and hill snow were most likely in Scotland today, with frost expected in some parts of the country.
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“Showers focused in the north and west, with snow accumulations on northern hills
“Showers continuing in some northern and western areas, with ice and hill snow across parts of Scotland. Clearer further south and east, patchy frost. Wet and windy in northwest later.
But it warned: “Heavy winter showers returning to Scotland later. Windy with gales, especially in the north.”
Going into Saturday, forecasters predicted “colder interludes” with some snow and ice in the north and wales expected which could be severe in Scotland
The Met Office issued yellow warnings for ice in Scotland and Northern Ireland which will run until 11am on Friday.
It stated: “Icy patches are likely especially on untreated surfaces, leading to tricky travel conditions in places.”
The warnings told people to expect: “Some injuries from slips and falls on icy surfaces. Probably some icy patches on some untreated roads, pavement and cycle paths.”
And forecast maps predicted 6cm of snow in western Scotland on Friday and flurries across the rest of the country including south west England and Wales.
Sky Newsweather teams said: “It will be wet and windy, with snow on the Scottish hills, but the far-North will turn more showery.
“Heavy rain and gusty winds will spread southwards overnight, with snow mainly confined to the hills, but southeast England should stay dry. Wintry showers will follow.
“It will turn cold, with icy stretches possible across western Scotland and Northern Ireland.”
People are being advised to wrap up warm with it even being colder than Volgograd, in Russia, which is reportedly 1C currently.
Maps from WXCharts showed -3 temperatures for Friday and snowfall for the next few days with up to 25cm landing in Scotland on Sunday.
Met Office forecaster Clare Nasir said: “Friday is looking a lot colder than the last few days with the risk of ice particular early on courtesy of some snow showers.”
The Mirror earlier told how a cold front is moving down the country which will bring the freezing temperatures first to Scotland.
Ms Nasir added: “An ice warning in place in the early hours into Friday morning as those snow showers move in and this cold front here will produce some quite heavy rain just for a time before it clears the south east on Friday morning and then much of the UK bathed in that colder, clearer air,”