Residents travelling to ski country during this period, whether south of Buffalo or Collingwood or Barrie, should expect snow squalls. For others - especially across the Southeast - the odds are not good.
The likelihood of white Christmases has also been affected by climate change, with temperatures across the globe rising. It may also surprise you that New York City has a historical probability of only 11%.
This year, some models are saying there is a small chance in the least likely regions. Our medium range models continue to "flip-flop" with snow vs.no snow for the upcoming holiday weekend.
"This will allow the light fluffy snow to be blown around quite easily, and make for some potentially hazardous travel conditions".
He says prospects for snow are more likely in most of British Columbia, southern Alberta, parts of Saskatchewan and northern Canada.
Saturday night: Mostly cloudy, low around 12.
It's still unclear five days out just how many waves of moisture may move along the frontal boundary and the timing of the arrival of the Arctic air in our region.
If you have bitterly cold temperatures on your Christmas list, stick around Madison beginning Christmas Day.
The strict definition is that one flake of snow has to fall within the 24 hours of Christmas Day somewhere in the United Kingdom for The Met Office to deem it a white Christmas.
Forecasters call for rain, snow and sleet in the morning, some snow in the late morning and rain in the afternoon. Not a steady dose of sun but skies should be brighter today and temperatures will, once again, reach higher than normal levels.
While a winter storm on Tuesday and Wednesday is expected to dump up to a foot of snow along the Hi-Line, Billings is unlikely to see more than an inch or two, according to the National Weather Service.
Out west, another Pacific low will affect areas from San Francisco north.
Even on Christmas Day, McDevitt said, Bridge House will offer a community dinner at Boulder's Lazy Dog restaurant on Pearl Street Mall.