A major winter storm set to slam the U.S. later this week has shifted its path slightly before it arrives on Friday.

A potentially historic major winter storm stretching more than 2,000 miles across the US is expected to deliver harsh winter weather that will impact more than 235 million Americans across 40

A winter storm with “the potential to be historic” is eyeing a large strip of the U.S. and it appears Illinois and the Chicago area could now be a part of its path. While confidence surrounding the snowy and icy system’s track and intensity remain uncertain,

The impending winter storm is set to begin across the south-central U.S. on Friday.

Several emergency declarations have already been issued as a massive winter storm barrels toward more than 35 states, putting more than 200 million people in its path and threatening “considerable disruption” to New York with up to a foot of snow.

Large parts of the eastern and central United States are expected to see heavy snow. But south of the snow line, forecasters are warning that the storm could deliver dangerously icy conditions. Exactly where that snow vs. ice line will fall was still uncertain on Wednesday.

Georgia officials are telling residents to stay off the roads as counties begin reporting deteriorating road conditions across parts of the state due to the massive winter storm moving across the country.