The wintry mix created dangerous driving conditions that could extend into the evening.
Parts of Long Island saw treacherous roadways, and Nassau County Executive Bruce Blakeman was set to describe the steps the county is taking to clear the roads, as well as what precautions residents can take to stay safe.
RELATED | Updated AccuWeather forecast
Rain began falling across the region late Wednesday and continued through the night, and video showed steady rain before 4 a.m. along Route 3 East in Clifton, New Jersey.
The rain then turned to light snow, creating an icy, slushy mix on area roads.
Bergen County saw some early snowfall, while schools in Mahwah joined dozens of other districts around the region posting a delayed start to classes.
RELATED | School closings and delayed openings
New York City issued a Winter Weather Advisory through 1 p.m. Thursday.
Crews manned 700 salt trucks overnight to prepare roads in the city, even as officials urged people to stay off them through the morning commute to make way for plows.
RELATED | US begins offering free COVID-19 tests, but doubts persist
* Get the AccuWeather App
* More AccuWeather
* Follow us on YouTube
* More local news
* Sign up for free newsletters
* Download the abc7NY app for breaking news alerts Submit a News Tip