Multiple Winter Storm Warnings are in effect across the Northeast U.S. from the afternoon of December 26 through the late morning or early afternoon of December 27.
Warnings cover much of the region from northeastern Pennsylvania through northern New Jersey, southeastern New York, and southern Connecticut.
The warning is in effect from 16:00 EST on December 26 until 13:00 EST on December 27 for New York City’s five boroughs, Nassau and Suffolk Counties on Long Island, and Fairfield, Westchester, Rockland, and Bergen Counties.
For northern and southern New Haven Counties, Connecticut, the warning begins slightly later, from 19:00 EST on December 26 to 13:00 EST on December 27.
In northeastern Pennsylvania and northwestern New Jersey, including Monroe, Warren, Sussex, and Morris Counties, warnings remain in effect from 13:00 EST on December 26 until 10:00 EST on December 27. These areas may experience a combination of snow and sleet, with local ice accumulations in elevated terrain.
Farther north, in the Catskills, mid-Hudson Valley, and Litchfield County, Connecticut, are under warnings from 16:00 EST on December 26 until 13:00 EST on December 27.
Snow will begin spreading from southwest to northeast during the afternoon and intensify through the evening. Peak snowfall rates may reach 2.5–5 cm (1–2 inches) per hour at times.
Snowfall totals of 13–23 cm (5–9 inches) are forecast across the New York City area, Long Island, southern New York, and southern Connecticut.
Meanwhile, Albany, Ulster, Greene, Dutchess, and Litchfield Counties are forecast to receive around 13–25 cm (5–10 inches) of snowfall.
Snow totals are forecast to reach 10–20 cm (4–8 inches) in northern New Jersey, and northeastern Pennsylvania, with localized totals of over 20 cm (8 inches) being possible for higher elevation areas.
The heavy snow and winter weather will create dangerous travel conditions across major routes, including Interstates 80,87,95, and 287, through the warning period.
The snowfall is expected to begin tapering off by the morning of December 27 as the storm moves out into the Atlantic.
References:
1 Winter Storm Warning – NWS – December 26, 2025