A “powerful winter storm” will impact the region this weekend, according to the National Weather Service.
NWS forecasters say precipitation types remain uncertain at this point, but there is “high confidence in a high liquid-equivalent event.”
On Long Island, precipitation is likely to begin as snow Saturday evening but should transition to rain late Saturday night into Sunday morning, according to the National Weather Service forecast. Significant snow accumulations are not currently forecast for eastern Suffolk.
Coastal flooding is expected during the Sunday morning high tide cycle.
Temperatures will rise into the upper 30s and low 40s across Long Island Sunday morning, but will fall rapidly Sunday afternoon and evening, creating icy travel conditions Sunday night, the weather service said.
Arctic air will move into the area and remain in place Monday, when high temperatures will only reach the teens and gusty northwest winds could keep wind chill temperatures below zero, according to the NWS forecast. Temperatures should warm into the 20s and low 30s on Tuesday and then potentially above normal on Wednesday ahead of the next system approaching the area late next week the weather service said.
Meanwhile, a quick-moving system is expected to bring a light accumulating snowfall to much of the region tonight into Friday morning before changing to rain. Accumulations of less than an inch are expected across the East End.
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