"Devon's army of Snow Warden volunteers should be aware of the potential for some snow to lay on higher ground over the next 36 hours, but should also be prepared for a period of cold weather with the potential for ice and possibly further snow at times".
There may be a light dusting of snow around the country, and it may stick in places in the north and northwest.
Accumulations above 4cm are expected, and up to 8cm on higher ground.
The warning was released this evening after 4pm and is valid until tomorrow, Friday 8 December, at 6pm.
It's because an Atlantic storm, Storm Caroline, is passing close to us.
The only county that has not received a warning is Galway.More news: Quentin Tarantino's Star Trek Movie Pitch Heads to Writers' Room
AA Roadwatch warned road users of wind-blown debris, especially on coastal routes after a night of rain and high winds.
The RSA posted a video on how to take care on the road in such conditions to their social media pages.
Ireland has been told to brace itself for the first snowfalls of the winter.
Sunday's warning, which covers Derbyshire and Nottinghamshire and is in force between 4am and 11.55pm, states: "A spell of heavy snow is possible over some central parts of the United Kingdom during Sunday". The strongest winds are most likely along coastal areas.
"On Friday and Saturday, the snow showers could lead to snow accumulations which vary markedly across the warning area".
"Mainly dry across the south and southwest". Fresh, locally strong, and gusty northwest winds will ease away from the west coast as the day wears on.
Lowest temperatures will be between -2 and +3 degrees Celsius.