Nauraushaun Nursery School in Pearl River cancelled Wednesday morning classes.
The National Weather Service's storm warning will remain in effect until 6 a.m. Wednesday morning. There will also be a wind chill advisory for 1 a.m. to 11 a.m. Wednesday, with wind chills as low as 20 degrees below zero.
Pearl River Schools also announced that the board of education meeting postponed Tuesday night was rescheduled for 7:30 p.m. Thursday.
Nyack, South Orangetown, Nanuet and Clarkstown schools also announced Tuesday night that they would have two-hour delays Wednesday morning.