Satellite & radar shows the 2 jets beginning to phase and that's where the Northeast will get snow on Christmas Day. Otherwise bitter arctic air spills into Plains and heads east by early next week. Below. ....expected snow for today....followed by snowfall over next 5 days. Click to enlarge.
Below - expected temperatures for Saturday....followed by animated maps for the weekend.
Above the 3 main models for Christmas morning. Very much together which is so highly unlikely 4 days out.....nevertheless...suzy snowflake will be seen in The Northeast Christmas a.m. A very Merry and Safe Christmas to all.