Red "extreme weather" warning now in place
Warning covers blizzards and high winds which could pose a "risk to life"
More than 1,000 schools were closed on Thursday with many shut tomorrow
Roads, ferries and trains are also affected
Cardiff Airport cancels flights to Scotland, Paris and Berlin
Charity Marie Curie estimates it could lose £400,000 in donations because of the weather.
The Great Daffodil Appeal runs through March, with volunteers collecting on UK streets to help people with terminal illnesses.
But 30 have been cancelled across Wales today alone, including at Cardiff’s St David’s Day parade.
You might have heard the song Castles in the Sand – here’s a castle in the snow, taken by Hayley Dighton in Caerphilly.
Image source, Hayley Dighton“Take care, keep warm and importantly check on older and vulnerable friends, neighbours and relatives” – this is the advice from health secretary Vaughan Gething.
As the snow starts coming down in south Wales, a Llanelli-based company is still trying to get lorries back from Scotland and the north east of England.
Owens Transport has had 31 vehicles stuck since Tuesday, with 252 struggling with deliveries on UK roads.
The RSPCA have shared advice on how you can help pets and wild animals in the cold weather.
A full guide can be found here, external.
It is St David's Day but these daffodils are suffering in the snow.
Temperatures have plummeted and snow is falling but that doesn't stop the hardcore runners!
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A stretch of the Dwyryd river near Maentwrog in Gwynedd has iced over in the freezing temperatures.
Frozen river in Gwynedd
With the red warning due to kick in soon, conditions on the roads appear to be deteriorating.
Image source, Wales News ServiceCardiff council has advised all its schools to stay shut on Friday. However, the final decision for each school is made by the headteacher and the chairman of governors.
Parents are being advised to check with schools for the latest information.
More than 5,000 tonnes of grit is being delivered to the Abercynon depot in Rhondda Cynon Taff.
This shows roughly 1,000 tonnes.
National Grid has warned it may not have enough gas to meet UK demand on Thursday due to the extreme weather conditions.
It issued a "gas deficit warning" following "significant supply losses".
Image source, Getty ImagesArriva Trains Wales has warned that many services across south east Wales, external will stop early.
These hens near Abergavenny, Monmouthshire, were left confused in the snow, according to their owner.
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Here's a guide about what to do if your pipes freeze.
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Swansea University is the latest to close due to the bad weather. All lectures have been cancelled from 14:00 and both campuses will stay shut until Monday.
If you're just getting up to speed, Wales' first red weather warning for snow comes into effect at 15:00 GMT and lasts until 02:00 on Friday.
The Met Office says some roads are likely to be blocked by deep snow, stranding vehicles and people.
Long interruptions to power supplies and other utilities are also "very likely to occur".
Image source, The Met OfficeThe Welsh Ambulance Service says its vehicles are fitted with winter tyres and paramedics wear ice cleats to stay on their feet
Quote MessageWe are well prepared to deliver the same high standard of care to the people of Wales, but inevitably when it is snowy or icy our responses may take longer. That’s why it’s important that members of the public only call us in a genuine, life-threatening emergency.
Ambulance spokeswoman
Staff have spent the morning preparing free meals on wheels for vulnerable people at The Bridge in Llangennech, Llanelli.
Image source, The Bridge