Drives across the UK are warned to be careful on their commutes Severe weather warnings remain in place across much of the UK, with Scotland and north-east England predicted to have the heaviest snowfalls.
BBC meteorologist Darren Brett said snow had fallen in north-east England down to East Anglia, with coastal Hampshire and Dorset also at risk.
Warnings are also in place for icy roads in Northern Ireland and Wales.
Some weekend sporting events have been cancelled as forecasters say the early cold spell could last for two weeks.
The UK has seen the earliest widespread snowfall for 17 years.
Mr Brett said a band of snow was moving west across Scotland and that the north-west of England could be affected overnight.
The latest Met Office severe weather warnings for Scotland are for Orkney and Shetland, the Highlands and Grampian, Central, Tayside, Fife, south-west Scotland, Lothian and Borders.
Heavy snow has been predicted for south-west England.
Snow and ice warnings have been added for eastern areas of England – the North East, Yorkshire and Humber, East Midlands, Norfolk and Suffolk.
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There is also a warning of widespread icy roads for London and parts of south-east England until at least 1100 GMT Saturday.
Mr Brett said there could be 10-15cm of fresh snow by 0900 GMT on Saturday in some parts of the north of England.
He added that coastal areas were also affected
“It’s the sea temperatures that are higher than the land temperatures that are helping to trigger this instability and trigger those showers – which is why we are seeing a lot of them near the coast.”
He said there was likely to be some fog in east Wales and West Midlands, but not Northern Ireland.
He said: “It is very treacherous on Saturday morning. We will see some sunshine though for the south-west of Scotland, north-west England, Midlands and across Wales and Northern Ireland.
The snowfall is expected to continue over the weekend “It’s a little bit of a quieter day but a cold one with temperatures struggling to get to 2C.”
Heavy snowfall and ice caused disruption across the UK on Thursday and Friday.
On the M4 in south Wales there were reports of a 26-mile tailback in the Friday evening rush hour westbound from the Severn Bridge toll booths to Miskin, while more than 160 schools had earlier been closed or partially closed in Scotland.
Schools in Northumberland, Tyne and Wear, East and North Yorkshire, and Wales were also affected.
The AA said it had been a “very busy day” with 1,220 call-outs every hour with Wales and the North East of England being the worst for breakdowns.
The coldest recorded temperature on Friday was in Carterhouse in the Scottish Borders, at -7.8C. Benson in Oxfordshire recorded -7.6C, Newcastle dropped to -4.3C, while the temperature at Kew Gardens in London sank to -3.8C.
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Saturday’s horse racing meeting at Newcastle has been cancelled, with Gosforth Park under 18cm of snow. The meeting at Towcester, Northamptonshire, has also been called off, while events at Carlisle and Leicester on Sunday are in doubt.
The weekend’s FA Cup second round matches could also be at risk.
But Rugby Union bosses insist that England’s match against South Africa at Twickenham on Saturday will go ahead.
Animal charity the RSPCA urged dog owners to keep pets safe by avoiding iced-over lakes or ponds.
The unusual weather is being caused by high pressure over Greenland and low pressure in the Baltics, forcing cold winds from the north-east across Europe.
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