Three people were injured when this Chevy Avalanche overturned Saturday...

Three people were injured when this Chevy Avalanche overturned Saturday morning. The accident occurred southbound on Nichols Road in Farmingville. (Jan. 2, 2010) Credit: Robert Garofalo

The National Weather Service extended its winter weather advisory for Suffolk County into Sunday, as snow and wind are expected to sweep across parts of Long Island tonight.

The advisory is now in effect for western Suffolk until 6 a.m., and for eastern Suffolk until noon. Total snow accumulations were expected to be 2 to 5 inches for western Suffolk, with up to 8 inches in eastern Suffolk.

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According to the weather service, northwest winds are expected to increase across eastern Suffolk County, resulting in areas of blowing snow and reduced visibility. The advisory added that a warning may be issued later today, depending on the evolution of the storm.

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