According to the National Weather Service, many roads and surfaces are covered with snow, creating hazardous road conditions in some areas. Highs will only be in the teens in most areas.
"It is most likely to fall through the afternoon and into the evening over Christmas Day".
A winter weather advisory is in effect from 10 p.m. Sunday, Dec. 24, to 4 p.m., Monday, Dec. 25.
In the days of rising temperature, the dream of a white Christmas has become a fleeting thing for most Americans. Those high winds may break tree branches and cause scattered power outages. Slow down and use caution while driving.
There is a 50 percent chance of snow showers Thursday night and Friday with a low of 22 and high of 35.
Snow: Met Office issued warning (file pic).
Periods of heavy snow and strong winds will make travel very hard to almost impossible at times from Christmas morning into Tuesday.
"In wake of the heavy tourist rush, especially during Christmas and New Year, the Indian Railways had also started holiday special narrow gauge trains for the tourist to reach Shimla".
Be prepared for reduced visibilities at times.
According to the National Oceanic and Atmospheric Administration's Christmas Day Historic Snowfall Probability Map, Richwood has the region's greatest chance to see snow on the ground Christmas Day.
Bookmaker Coral saw an increase in customers betting on a white Christmas, Aberdeen had the shortest odds at 2-1 for snowfall, while Birmingham and Manchester are both on 6-1 with London trailing on 8-1.
"Rochester has gotten 17.5 inches of snow this winter season", Apffel said.