On the heels of a powerful winter storm that will stretch across more than 1,000 miles, the ingredients for a potential class severe storm setup threaten millions in the Ohio Valley on Thursday.

As forecasters warn of a sprawling snow and ice storm in store for a large swath of the country later this week, millions of Americans were under advisories and warnings on Jan. 21 for frigid weather ...

Add Yahoo as a preferred source to see more of our stories on Google. As forecasters warn of a sprawling snow and ice storm in store for a large swath of the country later this week, millions of ...