Westbound I-84 in Putnam County was closed Friday afternoon by a tractor-trailer accident. In Orange County, one of two eastbound lanes on Route 17 in Goshen reopened after a tractor-trailer rollover.
There have been no reports of serious injuries.
The National Weather Service upgraded a winter storm advisory to a warning for Dutchess County until 6 a.m. Saturday, saying accumulations could reach 10 inches. A warning remained for the western Catskills, where up to nine inches of snow was expected by evening.
A warning was also issued for the southern Adirondacks until 6 p.m. Saturday, with anywhere from six to 16 inches of snow forecast.
In Pleasantville, Westchester County, students enjoyed an early day off from school throwing footballs and snowballs.
West Lake High in Thornwood was just one of dozens of schools with early dismissal. Thousands of students in the northern suburbs spent just a few hours in class, while other districts cancelled school altogether.
Administrators were looking to avoid having school buses or parents driving on slick roads. The Saw Mill River parkway was littered with spinouts and fender benders even though snow plows did a good job keeping roads clear.
Some districts like Pleasantville are so small there's no busing. Most students walk, so schools opened for a partial day.
Some information from The Associated Press included in this report.