In these temperatures, exposed skin can freeze in under 30 minutes.
A light accumulation or sleet, snow and possibly freezing rain will be possible.
Daytime temperatures will reach only into the teens to mid-20s, while lows will drop down into the low teens, with wind chills in the low single digits.
On top of that, Monday morning's wind chill values are in the order of 10 to 15 below. I agree with the NWS assessment of more clarity by Friday, as that is the point at which the incoming disturbances will begin tracking over the western USA and our upper-level weather balloon observations will give a better picture of atmospheric reality.
Temperatures through the day will be rising from the single digits this morning to the teens this afternoon.
Saturday night, there is a 20 percent chance of snow after midnight, with a low around minus 1, according to the weather service. The snow is expected to bring only a dusting to a half-inch of accumulation to the area, though locations near the Wisconsin-Illinois border could see close to an inch by Thursday night.
However, each model run is trending drier, so this chance of winter weather could dry up as well as the week progresses, forecasters said.
Frigid temperatures will still be here to welcome in the new year.
Temperatures will remain chilly all day after the precipitation moves out. And there have been winter weather advisories throughout the Finger Lakes Region, western NY and the North Country because of lake effect snow.
A cold air mass over parts of the Midwest and Northern Plains will begin expanding to the southeast as arctic high pressure builds in across parts of the mid-Atlantic, resulting in a cold end to the work week.
Saturday, expect a high of 11 with mostly cloudy skies, the weather service said.
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