Overview
- At 11:49 p.m. Saturday, the National Weather Service issued a special weather statement for Suffolk and Nassau counties in effect until 4 a.m. Sunday.
- Forecasters reported fog expanding overnight with temperatures in some areas at or below freezing, increasing the risk of black ice on untreated roads and sidewalks.
- Drivers were urged to slow down and leave extra stopping distance, and pedestrians were advised to use caution on any untreated surfaces as visibility could drop in thicker fog.
- Earlier Saturday, a 5:03 a.m. statement covered all five NYC boroughs and several downstate counties until 9 a.m., warning of expanding morning fog and refreezing hazards.
- A subsequent 8:39 a.m. update for Staten Island and parts of the lower Hudson Valley ran until 9:45 a.m., with the fog expected to dissipate by around 10 a.m.