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The storm will arrive late Monday night, Dec. 16 and continue through Tuesday evening, Dec. 17.
A total of 3 inches of accumulation is now predicted for areas north of I-287 in New York and the Merritt Parkway in Connecticut, according to the National Weather Service in projections released late Monday afternoon. A total of 2 inches of snowfall is predicted for Southern Westchester and Southern Fairfield County. (See first image above.)
Some areas north of I-84 in Dutchess, Orange and Litchfield counties could see between 4 and 6 inches of snowfall, with 6 to 8 inches of snow possible in parts of Ulster and Sullivan counties. (See second image above.) Sleet and ice accumulations of up to 1 inch are possible. (See third image above.)
Winter Weather Advisories are in effect for interior parts of the region. The advisory time frame is 9 p.m. Monday to 6 p.m. Tuesday north of I-287 and the Merritt Parkway and 9 p.m. Monday until 10 a.m. Tuesday for Southern Westchester and coastal Connecticut. (See fourth image above.) In New York City and Long Island, a slushy mix of about an inch of sleet and snow is expected.
Those traveling through the areas covered by the advisories should plan on slippery road conditions, the National Weather Service said, noting that hazardous conditions could impact the Monday evening and Tuesday morning and Tuesday evening commutes.
Monday will be a cloud-covered day with snow flurries possible at times and a high temperature in the mid 30s, and wind-chill factor between 25 and 30 degrees.
The chance for snow and a wintry mix starts late Monday evening, with sleet and snow at times overnight into Tuesday.
The chance for sleet and freezing rain will continue until around 9 a.m. Tuesday south of 1-287 and the Merritt Parkway when the temperature is expected to rise to the mid 30s.
North of those areas, the chance will last through mid-afternoon as the high temperature will struggle to get above 33 degrees. The high temperature will be in the upper 30s farther south.
Skies will gradually clear Tuesday evening and overnight, leading the way to a partly sunny and cold day on Wednesday, Dec. 18, with the high temperature in the low 30s. There will be a slight chance of snow flurries in the afternoon.
Thursday, Dec. 19 will be sunny and very cold, with a high temperature only in the mid 20s.
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