Another batch of heavy snow and frigid temperatures is forecast from Virginia to New England as a winter storm bears down on the Mid-Atlantic and northeastern U.S.
The National Weather Service says the winter storm could bring 10 inches of snow to Philadelphia and as much as 14 to the New York City metropolitan area Tuesday, along with bitterly cold air with wind chills as low as 10 degrees below zero later in the day.
It warned of heavy winds and hazardous driving conditions throughout the day as the storm moves up the East Coast.
Eric Fisher, chief meteorologist of CBS Boston station WBZ, reports that by Wednesday, the wind chill is expected to be sub-zero in New York and Boston. Wind chill advisories are in effect for parts of 26 different states.
Snow was reported from Illinois to Pennsylvania Tuesday morning.
Airlines had cancelled more than 1,900 flights nationwide.
Schools in Pennsylvania, New Jersey, Connecticut and West Virginia are sending students home early on Tuesday or staying closed after the Martin Luther King Jr. Day holiday.
The federal government says its offices in the Washington, D.C. area will be closed Tuesday because of the storm. The weather service warns the storm could impact the morning commute in Washington and Baltimore.
CBS New York station WCBS-TV reports a storm system that was blowing over Minnesota and Iowa Monday afternoon was taking a southerly track and intensifying overnight. Combined with an area of low pressure moving in from the south, a major snowstorm was likely to result.
Philadelphia and its adjacent counties, as well as South Jersey and Delaware, were probably going to see 5-10 inches of snow, reports CBS Philadelphia station KYW-TV.
Travel was being slowed across much of Indiana Tuesday as strong winds are blew around several niches of fresh snow accumulations.
The northern half of Ohio was under a wind chill advisory and commuters were being warned about dangerous driving conditions as temperatures plummeted and snow was expected to blanket much of the state. Several counties in the area were under snow advisories because of snowy or icy roads, as were some counties in southern Ohio.
The mercury was expected to fall as low as 10 degrees as far south as Georgia and Alabama, with wind chills as low as 10 below zero.
© 2014 CBS Interactive Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.