The ice that forms will result in very slippery conditions on sidewalks, roads and bridges. Higher elevations could see 1' - 4' feet of snow.
The trend continues as we head into the weekend and now the potential for snow begins to mix with the cold.
The Winter Weather Advisory means periods of snow will make travel hard.
On the back side of the system, it's likely we'll see ocean-effect snow showers on the Outer Cape and Islands, so we could see locally higher amounts under some of these ocean-enhanced snow bands. "Generally, 1" to 3" of snow will be possible by early Saturday morning.
For those ringing in 2018 in Times Square, extreme cold may put a damper on the festivities with temperatures dropping into the low teens or single digits - That's not including the wind chill.
New Year's Day will be nearly a mirror image of Sunday with temperatures reaching a high near 19 and a low of around 10.
The heaviest snowfall rates will appear on Friday and Friday night.
Plus, Saturday through Sunday another chunk of cold Arctic air is set to drop into south-central Montana. Wishing everyone a happy and healthy New Year.