Friday 10 a.m.
At 10 a.m., it was 25 degrees in Albany but 44 in New York City's Central Park. The chill will advance a little farther southward later this afternoon and evening, then start a retreat that won't be completed until the end of the weekend. The video discusses the weather associated with the front, including the prospect for spotty snow and freezing drizzle from New York state until central and southern New England overnight into tomorrow.
The water vapor imagery might be treated as a work of art, but look at the big difference between the stormy weather in the Northwest and the relatively storm-free situation across most of the rest of the country.
On this map from 10 a.m. ET Thanksgiving Day, you can see the high pressure area that is causing dry and mild weather in the East and the cold front farther west.
During the late afternoon and early evening hours, the cold front of a knife will slice through the turkey and cause it to accumulate 1-2 inches on plates...
This satellite picture shows clouds over parts New York and Pennsylvania, as well as areas of low clouds, fog and snow cover from Michigan to Illinois. Most of the Northeast should have at least some sunshine through Thanksgiving Day.
As we go through the week, the flow aloft over the East will become southwesterly. This will promote a major warmup. This map shows the projected upper-air flow for Thanksgiving afternoon:
A major snowstorm will affect the area from Iowa to Michigan tonight and tomorrow. At first, snow can melt on streets, but as it continues and the temperature drops, the area impacted by slippery conditions will increase dramatically. This map shows expected accumulations:
This map shows two cold fronts in the northeast quarter of the nation; 9 a.m. ET temperature are plotted. The isobars are closest together over the central and western Great Lakes, and this is where the strongest winds were occurring.