Details of motorway and local road closures and public transport disruption are available at
BBC Travel News
For advice on handling difficult driving conditions, see the
For information about severe weather warnings, see the
For information about staying healthy in the current cold snap, see the
NHS Winter Health
Energy Secretary Ed Miliband said there was no need to worry about energy supplies and that the situation was being closely monitored.
BBC weather forecaster Rob McElwee said snowfall of up to 3cm (1.2in) was expected elsewhere in England late Saturday and on Sunday but Scotland and Wales were not likely to see record-breaking temperatures overnight.
He said: "The wind is picking up and there will be an increased wind chill. For humans that is the big factor that will make it seem colder."
Friday saw the UK's coldest day so far when the mercury plunged to -22.3C (-8.1F) in the Highland village of Altnaharra.
The government has insisted schools should stay open "wherever reasonably practicable" during severe weather although more than 8,000 schools remained closed on Friday.
However there are fears that thousands of students in England, Wales and Northern Ireland may have to wait another five months to take exam modules because of the problems caused by the weather.
Thieves using a lorry with heavy-lifting gear stole a grit bin with two tonnes of salt intended for streets and footpaths from a road in Newton Mearns outside Glasgow.
Hardy swimmers take the plunge in icy water at the Serpentine in London
Milk deliveries have also been disrupted, with tankers struggling to reach dairy farms.
Some farmers have had to dump supplies as few have large storage facilities while, in Scotland, several barn roofs have collapsed under the weight of snow.
Electricity suppliers say "a few hundred" homes in southern England are without power after 5,000 were cut off by weather-related problems on Thursday.
Fear for elderly
Andrew Harrop, head of policy at the charity Age Concern, warned that older people might feel "too frightened to venture out" because of the weather and so could become prisoners in their own home.
Travel problems persist, with passengers advised to check their flight's status before going to the airport:
Easyjet cancelled about 30 flights at airports including Gatwick, Liverpool, Belfast and Stansted. All airports are now open, though suffering from widespread delays
British Waterways said nearly 90% of its 2,200-mile (3,540-km) river and canal network had frozen solid
Train companies operating revised timetables include East Coast, ScotRail, First Great Western, South West Trains, Southern and Southeastern, while Eurostar is operating a restricted service until Sunday
Rail passengers travelling through Birmingham are warned of severe delays because of signalling problems at New Street. This affects some Virgin Trains, Arriva Trains Wales, CrossCountry, London Midland and Wrexham and Shropshire services
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