A Dense Fog Advisory is in effect until 5 p.m. Friday, the National Weather Service said. The advisory is for all of southern Connecticut, the Hudson Valley, northern New Jersey, New York City and Long Island.
Visibility for drivers will be a quarter of a mile or less, making for difficult travel conditions. Drivers should slow down, use low beam headlights and leave plenty of distance ahead in case of a sudden stop.
A cold front approaching from the West is accompanied by showers and a wind shift to the west Friday afternoon.
Showers and thunderstorms are possible Friday afternoon with high temperatures in the 40s. New rainfall amounts of less than a tenth of an inch are expected, except with higher amounts in thunderstorms.
It will be mostly cloudy Friday evening, with gradual clearing and temperatures dropping into the mid-20s.
Saturday will be sunny, with a high in the high 40s or 50.
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