Much of Yorkshire and Lincolnshire is expected to experience snowfall on Thursday. An amber weather warning is in place, with the risk of heavy snow causing widespread disruption.
Keep up to date with the latest below.
You can see all the best pictures of the region here
Hope Valley line reopens
The Hope Valley line between Manchester and Sheffield has reopened after hours of closure due to snow on the tracks.
Chaos on the M62 in West Yorkshire caught on camera
Heavy snowfall overnight left drivers stranded for hours on the M62 near Saddleworth this morning.
Stranded vehicles as drivers get stuck in snow
Firefighters in Grassington are asking people to take extra care on their journeys after being called out to rescue people who had "fallen victim to the over night snow fall."
Yorkshire Dales National Park blanketed in snow
Footage taken by our cameraman Mike Newton shows wintry scenes in the town of Hawes, North Yorkshire.
Snowy vistas pictured across the region
This is the view in Pateley Bridge near Harrogate.
Mountain Rescue Teams assist emergency services
Volunteers from Holme Valley Mountain Rescue Team helped police and ambulance crews respond to incidents overnight.
The service, which is based near Marsden, assisted with the rescue of an elderly diabetic lady and a patient with chest pains.
After rescuing more than 20 stranded members of the public overnight, the team has asked drivers not to travel over the tops of the Pennines on Friday.
Fallen trees causing disruption.
There has been disruption on the roads and the railway network due to fallen trees.
Passengers are being advised not to travel between Sheffield and Manchester Piccadilly because of multiple trees on the line. Rail replacement services are not being provided due to blocked roads.
There are delays on the line between Huddersfield and Manchester Piccadilly due to an earlier fallen down tree.
Network Rail said it has teams out clearing fallen trees from the tracks including one near Mansfield station which was affecting services for Nottingham.
Severe delays on the M62 in West Yorksire
The M62 Eastbound remains partially blocked and there are still severe delays due to snow between J21 and J24.
National Highways said gritters and ploughs are continuing to treat the road and work has been taking place since 3.50am this morning.
Power cuts in Sheffield
Around 2000 customers are without power in S26 and a further 1000 in S75. The National Powergrid estimate that everyone will be restored by 8:45 am.
Britain's Highest Pub
The scene this morning at the Tan Hill Inn in the Yorkshire Dales. Customers stayed there overnight along with ITV reporters.
Fallen trees around the region are causing problems on the trains. East Midlands services from Worksop down to Nottingham are suspended as are East Midlands and Transpennine services between Sheffield and Stockport.
Dozens of schools across the region are closed today due to the snow. For more information click here.
Stationary traffic on the M62
Drivers are reporting of up to six hours of waiting on the M62.
Leeds Bradford Airport 'open'
Leeds Bradford Airport has put a statement on the website confirming that the airport is open. The advice is for passengers to "keep checking their airline's website for the most up to date information."
Message left in snow for hospital patients in Sheffield
Terry Collier, a patient in the Royal Hallamshire Hospital, said he looked outside his window to see "get well soon" written in the snow on a lower rooftop.
He said: "The weather here in Sheffield is very bad but someone got onto a roof below the hospital and made this sign in the snow."
Cannon Hall Farm is closed
Animals including reindeer have been pictured playing in the snow at Cannon Hall Farm in Barnsley, as the whole site is closed.
Snowy conditions on the roads in Kirklees
Kirklees Council's gritting team has posted footage of snowy road conditions in the district. Several roads are closed including Woodhead Road and the A6024 Holme Moss.
Woodhead Pass closed from 12pm.
Drivers in Derbyshire and South Yorkshire are being warned the A628 Woodhead Pass in Derbyshire and South Yorkshire will be closed due to heavy snowfall. National Highways said the road will be closed from Flouch Roundabout near Penistone and Woodhead Reservoir for safety reasons.
Power cuts in South Yorkshire
Northern Powergrid said 220 properties are without power in the S36 postcode, which covers areas including Penistone, Stocksbridge and Langsett.
Bus services affected in South Yorkshire
Travel South Yorkshire said bus services in Sheffield are currently seeing the most impact from adverse weather. At least 18 bus routes in the city have been affected and have diversions in place.
Services in Rotherham, Doncaster and Barnsley are also affected.
Roads in Huddersfield 'no go'
Calendar reporter Helen Steel is in Huddersfield and says that side streets are becoming precarious.
Harewood House to close on Friday
Snow covers roads in South Sheffield
Pictures show snow on Baslow Road between Sheffield and the Peak District. First Buses in South Yorkshire said buses serving Baslow Road have been diverted to Totley Brook terminus.
Snowfall in Stocksbridge
Lottie Anna captured this video of snow falling across Stocksbridge.
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Snake Pass closed
The A57 Snake Pass in Derbyshire is closed due to snow between A6013 (Ladybower Reservoir) and Hurst Road (Royal Oak Inn).
These are the schools which are fully closed, or closing early due to the weather:
Stocksbridge Junior School
Stocksbridge Nursery Infant School
Stocksbridge High School
Notre Dame School Closure
Talbot Specialist School
Bents Green School
King Edward VII School, upper and lower
Sheffield - early closures
Brightside Nursery Infant School, closes 1.15pm
Porter Croft Primary, closes 1pm
Meadowhead School, closes at 12.15pm
Silkstone Common Junior and Infant School
Thurlstone Primary School
Penistone Grammar School
Pool-in-Wharfedale C of E Voluntary Controlled Primary School
Bardsey Primary Academy, closes at 1.45pm
Bruntcliffe Academy, closes at 1.40pm
Hillcrest Primary Academy, closes at 2pm
John Smeaton Academy, closes at 1.45pm
Morley Newlands Primary Academy, closes at 1.45pm
The Farnley Academy, closes at 2pm
The Ruth Gorse Academy, closes at 1.55pm
Bradford - early closures
Beckfoot Nessfield closes at 1pm
Beckfoot Phoenix closes at 1pm
Crossley Hall Primary School closes at 1pm
Grove House Primary School closes at 1pm
Keelham Primary School, closes at 1pm
Lidget Green Primary School, closes at 1pm
Silsden Primary School, closes at 1.30pm
St Cuthbert & The First Martyrs' Catholic Primary, closes at 2pm
St Philip's CofE Primary School, closes at noon
Keighley College, closes at 1pm
Bradford College, closes at 1pm
Bradford - full closures
Beckfoot Upper Heaton School
Beckfoot Priestthorpe Primary School & Nursery
Dixons Cottingley Academy
Dixons Marchbank Primary
Dixons McMillan Academy
Farfield Primary and Nursery School
Farnham Primary School
Belle Vue Girls' Academy
Bradford Girls' Grammar School
Cottingley Village Primary School
Hazelbeck Special School
High Park School
Stanbury Village School
Titus Salt School
Hollingwood Primary School
Horton Grange Primary School
Killinghall Primary School
Laycock Primary School
St Anthony's Catholic Primary School (Clayton)
Chellow Heights Special School
Calderdale and Kirklees
North Halifax Grammar School, Illingworth
The Crossley Heath School, Halifax
White Rose School of Health & Beauty, Huddersfield
Woodley School and College - Special School
Normanton Newlands Primary School
Evolve Academy (due to staffing issues)
A6024 Woodhead Road closed
The A6024 Woodhead Road is closed in both directions closed from the A628 at the Holmfirth turn off to Holme.
Harlow Carr gardens
The RHS gardens in Harrogate will be closed today to ensure the safety of visitors.
Sheffield school closures
Three closures have been announced by Sheffield City Council on their Twitter feed. They are Notre Dame, Archdale, Bents GreenRowan and Talbot specialist school.
Bradford school closures
High up on the hills, Stanbury Village Primary, near Haworth, closed in a pre-emptive measure with an amber weather warning in place.
St Anthony's Catholic Primary School in Clayton is also closed today.
What is in the forecast?
It is expected to be cold and frosty initially, perhaps dry first thing before a mix of snow, sleet and rain spreads northeastwards through the morning, with wintry outbreaks through the afternoon and overnight. The maximum temperature will be 4C.
The outlook for Friday and the weekend suggests snow showers could persist on Friday, with some sunny spells in the afternoon, followed by a widespread severe frost overnight but a more settled day on Saturday, before further rain and perhaps snow develops into Sunday.
The forecast for North, West and South Yorkshire
The forecast for East Yorkshire and Lincolnshire
Travel warnings for motorists
National Highways is asking people to reconsider journeys on Thursday.
The weather warning means driving conditions will be extremely difficult, especially for larger vehicles and those not equipped with four wheel drive, between 9am on Thursday and 8am on Friday.
Drivers are being urged only to travel if their journey is essential and to be prepared.
Lorry drivers are asked to consider avoiding parts of the road network with steeper than normal inclines, such as in the Pennines.
Which roads are likely to be most affected?
In Yorkshire: The M62, A628 and A616 , M1 junctions 32 to 41, M606 and M621