Grangebel Park, Riverhead. File photo: Denise Civiletti

Two to four inches of snow are forecast for Saturday afternoon, according to the National Weather Service.

Riverhead will be under a winter weather advisory beginning 10 a.m. Saturday to 1 a.m. Sunday.

The advisory will be in effect for all of Long Island except for the South Fork, where precipitation will mostly be limited to a wintry mix and rain.

The snow may switch over to rain across the rest of Long Island by Saturday evening, according to the National Weather Service forecast.

Slippery road conditions are expected.

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Katie Blasl
Katie, winner of the 2016 James Murphy Cub Reporter of the Year award from the L.I. Press Club, is a reporter, editor and web developer for the LOCAL news websites. A Riverhead native, she is a 2014 graduate of Stony Brook University. Email Katie