article_snippet: (CNN)Southerners, don't pack your sweaters or heavy coats away just yet.
article_snippet: You're probably going to need your sweaters or heavy coats for a few days.
article_snippet: Enjoy the warmth until it gets where you are, because after that temperatures are going to drop 20 degrees or more before you know it.
article_snippet: And it's not just the South that will have to put up with the cold.
article_snippet: Almost a third of the people in the United States are bundling up and looking up to the sky.
article_snippet: About 92 million people are under some sort of winter weather warning, watch or advisory.  
article_snippet: There are concerns about ice and the potential for power outages.