UK weather: Ice warnings and rail strikes set for Boxing Day
Boxing Day shoppers to face traffic during rail strike
(about 2 hours later)
There will likely be a repeat of this month's wintry scenes in many parts of Scotland on Monday
Bargain hunters have been told to expect traffic around shopping centres as rail strikes see train services disrupted on Boxing Day.
More snow and ice will hit parts of the UK on Boxing Day as rail strikes look set to cause further travel disruption.
A small number of services usually operate on 26 December, but no trains will run in the UK today.
The Met Office has issued two yellow weather warnings for Monday 26 December, with snow and ice alerts in place across large parts of Scotland.
A walkout by RMT union members started on Christmas Eve and is set to end at 06:00 GMT on 27 December.
Ice warnings are also in place for most of Northern Ireland.
The AA expects 15.2 million cars on the roads throughout Monday.
Traffic will build around shopping centres, as bargain hunters are forced onto the roads instead of railways.
An AA spokesperson said said: "Traffic is likely to build around shopping centres as lots of people seek a bargain in the sales, meanwhile football fans will travel to see their teams."
The AA expects 15.2 million cars on the roads throughout Monday, but says many will be making short trips that are likely be spread out across the day.
A spokesman said: "Traffic is likely to build around shopping centres as lots of people seek a bargain in the sales, meanwhile football fans will travel to see their teams."
Temperatures are expected to hit -4C (24.8F) in the Scottish Highlands and about 4C in Northern Ireland.
The Met Office's weather warnings for Boxing Day include yellow alerts for:
Snow and ice for most of the Scottish Highlands, as well as some lowland areas until 18:00 on Boxing Day
Ice to hit Belfast and Newry in Northern Ireland to 10:00 on Boxing Day
The Environment Agency has 42 active alerts for possible flooding in England.
Separately, 24 flood warnings - meaning flooding is likely - are in place for areas including River Severn in Gloucestershire, Tyne and Wear coast, and River Trent in Derbyshire.
The train strike days in December and January
Met Office meteorologist Rachel Ayers said blizzards could hit high ground.
She said: "Showers, which will be wintry in places, will continue across Scotland, Northern Ireland and far northern England, locally these could be heavy with hail or a thunderstorm possible.
"Any accumulating snow will be mainly over high ground where there is a risk of blizzards.
"Showers easing into the later part of the afternoon.
"Windy for all, with gales in places especially across the Northern Isles."
It will be milder further south - with Birmingham expected to see about 5C and London and Cardiff expected to be around 7C.
Find out the weather forecast for your area, with an hourly breakdown and a 14-day lookahead, by downloading the BBC Weather app: Apple - Android - Amazon
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Network Rail has said railways across the UK will remain closed for a second day due to a walkout by employees who are members of the Rail, Maritime and Transport (RMT) union.
Merseyrail announced no trains would be running on Boxing Day.
ScotRail usually has a Boxing Day service in the Strathclyde area - but there will be no services there this year.
Northern operated a service between Liverpool Lime Street and St Helens Central on Boxing Day last year, but the company has said there will be no trains running on Monday.
There will also be no Southern services.
Trains do not usually run on Boxing Day, apart from some airport transfer services, such as the Stansted Express and Heathrow Express.
Instead, people can travel on Megabus or National Express bus services if they need public transport, as they run on Christmas Day and Boxing Day each year.
Meanwhile, people planning to jet off for a festive getaway will need to find other ways of getting to and from the UK's airports.
Airport transfers including the Heathrow Express and Stansted Express tend to be the most popular services on Boxing Day.
The RAC also highlighted two stretches of the M25 as likely hotspots for traffic - including from junction 7 to 16 clockwise, and from junction 4 to 1 anti-clockwise.
The RAC also highlighted two stretches of the M25 as likely hotspots for traffic - including from junction 7 to 16 clockwise, and from junction 4 to 1 anti-clockwise.
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People planning to jet off for a festive getaway will need to find other ways of getting to and from the UK's airports as transfer services including the Heathrow Express and Stansted Express are also affected.
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Instead, people can travel on Megabus or National Express bus services if they need public transport, as they run on Christmas Day and Boxing Day each year.
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