Met Office amber alert is in force until 18:00 GMT Sunday
30cm (12ins) of snow has fallen at Sennybridge
Power cuts have hit parts of south and mid Wales
Welsh police forces warn the public not to travel unless necessary
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Image source, PA/BBCRhondda Cynon Taf council warning
All three mountain roads, Bwlch, Maerdy and Rhigos, remain closed to to weather conditions.
"Please do not attempt to use these routes," said a spokesman for the authority.
This says it all from @bbcweather
Snow is affecting buses and trains
Bus operators Stagecoach Wales have warned passengers that some services are being hit in the south Wales valleys - and to and from Newport. Newport Bus said it was trying to keep all routes running - but warned of delays to services.
Arriva Trains Wales said passengers should check before they travel.
A scenic view of heavy snow filmed over the hills of Wales
Drone captures snow over Wales
Electricity network supplier Western Power Distribution said it has almost 3,000 homes without power on Sunday morning.
You can keep up to date with the latest on supplies on their power cuts map, external.
A470 in Powys
The A470 is shut both ways at Storey Arms. Sennybridge near Brecon has recorded the highest snowfall in the UK on Sunday, with 23cm falling - that's 9in.
Image source, Chris WilliamsThe Lamb Hotel at Penderyn on the A4059 to Storey Arms
Welcome to our live coverage of the snow situation across Wales. There is a Met Office amber warning in force for much of the country until 18:00 GMT on Sunday - with some heavy snow falling in places.