An orange alert in place for ten counties up until 6pm this evening has now expired but road conditions in parts of the east and south-east are still treacherous.
Inna Vladimirskaya, 32, braves brutal temperatures as cold as -9C by getting in a freezing river.
Southern counties of England and parts of South Wales could also see a few centimetres of snow by morning.
That will make travel hard, including during the Wednesday morning commute, with reduced visibility at times, the weather service said in its advisory.
For snow to form temperatures must be low and there must be moisture in the atmosphere which causes the tiny crystal to be created.
Luckily the cold snap is only set to last a few days, with temperatures set to return to normal by Tuesday.
"But by Tuesday temperatures should rise back up to 4C - 7C throughout the day".
More than 80 people were forced to sleep in a school after snow and ice cut off a major road in south west England, creating treacherous driving conditions.
Western Scotland and Northern Ireland should brace themselves for some wet weather, while England and Wales will mostly be dry and bright with one or two showers.
For now, the southwest of England saw snow continue through the night after snowfall through much of Sunday, so here we are seeing the biggest disruption this morning.
The Steamship Authority said cancellations are likely on Wednesday and possibly Thursday.
As a secondary coastal storm develops and strengthens late tonight, it will travel northeast hugging the coastline.
"Police want everybody off the roads to give them the opportunity to clear the roads with the snow ploughs and the gritters in time for the morning".
"Friday will be windy and showery".