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

Here we go again. Earlier this month in St. Louis, Jerome Harris bundled up against frigid temperatures. Now, cold air is again rushing south from the Arctic and a "bomb" of a storm is brewing across much of the Eastern half of the nation. Jeff Roberson/AP hide caption

itoggle caption Jeff Roberson/AP

Walking was the best way to get around early Friday in Brooklyn, N.Y., where snow and strong winds made driving hazardous. Sebastian Gabriel /EPA/Landov hide caption

itoggle caption Sebastian Gabriel /EPA/Landov

A tree is split in half under the weight of ice and snow in Middleville, Mich. Nearly 29,000 people are still without power in Michigan — but that's down from 200,000 just days ago. Andrew Kuhn/MLIVE.COM /Landov hide caption

itoggle caption Andrew Kuhn/MLIVE.COM /Landov

Six-year-old Enari Hernandez (left) and her cousin Maritza Jimenez, 6, play in front of a damaged tree in their neighbors yard on Saturday in Plano, Texas. Stewart F. House/Getty Images hide caption

itoggle caption Stewart F. House/Getty Images

Passengers wait for a BoltBus to arrive during a light rain, Wednesday, Nov. 27 in New York. A wall of storms packing ice, sleet and rain could upend holiday travel plans as millions of Americans take to the roads, skies and rails for Thanksgiving. Mark Lennihan/AP hide caption

itoggle caption Mark Lennihan/AP