Chance of a white Xmas Eve: 90%!
Chance of a white Xmas day: 30%!.
HIGH RISK of a white Xmas eve for: North York Moors, Lincolnshire wolds. Low risk of this continuing into Xmas day. Elsewhere, no significant risk.
Remember, a white Xmas is defined by 1 flake of snow falling anywhere in this region, so not everywhere will see the snow that defines a white Xmas if it occurs.