The National Weather Service issued a weather alert at 3:05 a.m. on Saturday for black ice until 8 a.m. for St. Lawrence, Franklin, Clinton and Essex counties.

"Across northern New York early this morning, wet roads combined with temperatures falling below freezing may result in some patchy black ice this morning. Motorists and pedestrians should exercise caution as paved surfaces that appear wet may, in fact, be icy," according to the weather service.

The weather service comments, "Producing hazardous travel conditions. Exercise caution."

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