Large stretches of the UK could be hit with as much as 20cm of snow in one day as the wintery weather continues into next week.
From 10pm on Monday through to the end of Tuesday Met Office yellow weather warnings are in place for most of England, Northern Ireland, Wales and Scotland.
In the evening a large wet weather front will sweep up the country from the South West, dumping up to 8mm of rain an hour as it goes.
Come the early hours of Tuesday icy rain will turn to snow when it hits the North East of England and Scotland.
For those in low lying areas from everywhere north of Birmingham, as much as 10cm of snow is possible overnight on Monday.
In the hills there's a chance 20cm will fall.
The Met Office has warned people in the worst hit areas to be careful on the road and be prepared for power cuts.
In central Scotland temperatures will feel as if they're -7C come the middle of the night.
The icy weather is being caused by a dense pool of cold air over Scandinavia which is exerting a strong influence on the UK weather.
Met Office Chief Meteorologist, Steven Ramsdale said: “Over the next few days we continue to see a division between milder conditions in the South West with much colder air to the north and east.
"The boundary between the two air masses will flex north and south bringing the potential for snow along the boundary between the two and ice overnight."
Snow and ice weather warnings are also in place for the norther half of the UK for Tuesday and Wednesday.
“We see further weather fronts bringing rain and snow east and north across the UK, but the most significant event in the forecast is a feature from late Monday evening, which threatens to bring rain and some snow across large parts of the UK," Mr Ramsdale said.
"As it moves further north and meets the colder air, the rainfall will readily turn to snow or even freezing rain, affecting a large part of England and Wales north of the M4 corridor.
"Yellow weather warnings have been issued for Tuesday and Wednesday highlighting the risk of disruptive snowfall with the high ground of northern England and Scotland most likely to see the largest snow accumulations.
"The risk of freezing rain will be an additional threat across parts of eastern Wales and parts of the Midlands.”
Much of the UK has already seen snow this weekend, with flakes falling in Scotland, Northern Ireland and northern Wales.
