Alabama is now on a winter storm watch as a 'significant winter storm' is in the forecast for this weekend. How much snow, ice will Alabama get?

The pileup in Michigan is the latest impact of the major winter storm moving across the U.S. More than 200 million people are in the path of the arctic blasts.

A huge and dangerous weather system is sweeping across the United States this week, bringing a mix of severe thunderstorms, tornado threats, flooding rains, and heavy snow. More than 100 million people are under some kind of weather alert,