The major Nor'easter, expected to arrive overnight Monday into Tuesday, will bring with it heavy snow and gusty winds that could lead to power outages.
The National Weather Service is projecting 7 inches or more of snowfall accumulation in Dutchess from the storm.
A total of 12 inches or more is forecast for Westchester, Putnam and Rockland, with up to 18 inches of accumulation in areas nearest to the coast before the storm wraps up early Wednesday.
A Winter Storm Watch has been issued for Dutchess from midnight Tuesday until 8 p.m. Wednesday. A Blizzard Watch has been issued for coastal New York.
The National Weather Service had said in a Hazardous Weather Statement issued earlier Saturday that the "potential is increasing" that the storm will bring "significant snowfall and strong winds" to the area late Monday night into late Tuesday night, with some snow continuing into Wednesday morning.
Unlike most of this winter, the storm will have access to plenty of cold air and will follow some of the coldest weather of the winter in the Northeast this weekend, AccuWeather said.
Disruptions to travel and daily activities may develop Tuesday and Tuesday night and last into Wednesday.
The storm will be a relatively fast-moving system that will be preceded by bitterly cold days Sunday and Monday.
Sunday will be partly sunny with a high in the upper 20s and wind-chill values between zero and 10.
Monday will also be brisk with a high struggling to reach the freezing mark under partly sunny skies.
Snow is expected to arrive very late Monday night or in the early morning hours Tuesday with snow heavy at times during the day and snow showers lingering into Wednesday.
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