Brits are set to see heavy snow sweep in today with large parts of the country hit by a 2pm -12C Arctic blast.
Temperatures are getting colder today, and it will likely remain over the coming days as it's being pushed by a northerly breeze.
Thick snow could fall seven inches deep in Scotland, caused by cold air hitting the wet weather and being blown in from the Atlantic.
There are currently Met Office yellow warnings for snow and ice which cover most of the country, with only the south of England, parts of the Midlands, and the southern fringes of Wales unaffected.
Forecasters advised the public to expect travel disruptions to road, rail, air, and ferry transportation.
Met Office meteorologist Simon Partridge said wintry weather would start hitting the UK early on Tuesday morning with lows of -11C expected in the sheltered glens of Scotland, which could drop to -12C by Wednesday morning.
BBC Weather's Carol Kirkwood said: "It is a colder day today for most of us compared to the kind of temperatures we had yesterday, you can see that with the blues across the charts - just during Wednesday. Then into Thursday, Friday, Saturday and Sunday actually we have the milder air across the UK.”
Weather charts showed the wet weather coming into the UK from the west as snow and hail during Tuesday, hitting southern Scotland and northern England by midday and it will be widespread across the country by 2pm.
Ms Kirkwood continued: “What has been happening this morning is that we have had a weather front pushing steadily southwards with a wintry mix of rain, sleet and snow in it, most of the snow in the hills.
"We also have further snow showers coming in across the north of Scotland and also across central parts of the country we are prone to a wintry mix meaning a mixture of rain, sleet, snow, and also some hail, and don’t be surprised if you hear the odd rumble of thunder.
"Now most of the snow is going to be on the hills but in some of the heavier showers we could see it getting down to some lower levels but we are not expecting huge amounts of it.”
It is also going to feel bitterly cold, with Ms Kirkwood saying: “With the wind, a brisk wind across the far north east of Scotland that will really accentuate the cold feel.”
Then overnight there will be more wintry conditions with snow before into Wednesday morning there is "the risk of ice ... and a widespread frost", warned the BBC.
