A little girl on her way to school Thursday in New York City. Mayor Bill de Blasio and his aides have come under fire for not closing the city's schools before a winter storm hit. John Moore/Getty Images hide caption

itoggle caption John Moore/Getty Images

Passengers wait in line at Hartsfield-Jackson International Airport on Thursday. A major snowstorm has delayed flights from Atlanta to New York. David Tulis/AP hide caption

itoggle caption David Tulis/AP

Last week in Indianapolis, the Kehoe children — from left, Maria, Anthony and Veronica — played with shaving cream as their mother Joanne tried to keep them occupied when the weather outside was awful. R. Brent Smith/AP hide caption

itoggle caption R. Brent Smith/AP

Not a good day for a drive: A Georgia Department of Transportation sign warned motorists in Norcross Wednesday morning, and few were on the roads. John Amis/AP hide caption

itoggle caption John Amis/AP

This car was navigating a snowy road early Tuesday in Fort Payne, Ala. The wicked winter weather there is spreading across the Deep South. Hal Yeager/AP hide caption

itoggle caption Hal Yeager/AP

Jan. 29, 2014: Traffic is snarled along the I-285 perimeter north of Atlanta's metro area after an ice and snow storm passed through. Officials hope such a scene isn't repeated. David Tulis/AP hide caption

itoggle caption David Tulis/AP

In Philadelphia on Wednesday, a woman ducked under a utility line that was brought down when an ice-covered tree fell. Matt Rourke/AP hide caption

itoggle caption Matt Rourke/AP

This man stopped to take pictures of the snow-covered trees in Manhattan's Central Park on Tuesday. Seth Wenig/AP hide caption

itoggle caption Seth Wenig/AP

Winter: Do you wish it was over? Or is weather like this just great? (A scene in Queens, N.Y., on Monday.) Matt Rourke/AP hide caption

itoggle caption Matt Rourke/AP

Contractors, volunteers and members of the Georgia National Guard helped move this car on Thursday. It was one of more than 2,000 vehicles abandoned Tuesday when a wicked winter storm left roads covered in ice. Brant Sanderlin /MCT/Landov hide caption

itoggle caption Brant Sanderlin /MCT/Landov

Staff Sgt. Anthony Orsi, left, and Staff Sgt. Raymond Novak of the Army National Guard helped Lauren Gates (in vehicle) retrieve her car Thursday from the Cumberland Boulevard exit ramp along I-75 North in Atlanta. Guard members and police were working to reunite drivers with more than 2,000 cars. Daniel Shirey/Getty Images hide caption

itoggle caption Daniel Shirey/Getty Images

A winter storm dumped snow Tuesday along Interstate 20/59 near downtown Birmingham and on other parts of central and southern Alabama. Tamika Moore/Al.com /Landov hide caption

itoggle caption Tamika Moore/Al.com /Landov

Tuesday night's forecast for the lower 48 states shows temperatures below freezing (the shades of blue and purple) across most of the nation. National Weather Service hide caption

itoggle caption National Weather Service