At least 20 states have declared a state of emergency as a significant winter storm hits much of the United States.

A winter weather advisory was released by the National Weather Service on Saturday at 11:23 a.m. EST valid from Sunday 9 a.m. EST until Monday midnight EST for St. Clair, Livingston, Oakland and Macomb counties.

The National Weather Service (NWS) is advising up to 200 million people across the U.S. to not travel unless they absolutely have to leave their homes, following a round of winter storm warnings issued for more than 30 states for Friday,

There's more than a 50% chance Nashville will be significantly impacted by ice, making travel extremely dangerous.

On Saturday at 11:23 a.m. EST the National Weather Service issued a winter weather advisory valid from Sunday 5 a.m. EST until Monday midnight EST for Washtenaw, Wayne and Lenawee counties.

Over the weekend, a powerful winter storm is set to impact more than 130 million people across the United States as heavy winter precipitation, strong winds, and bitterly cold temperatures move in, bringing dangerous conditions.

The National Weather Service on Saturday morning updated its winter storm warning for Northeast Ohio, including the Mahoning

When severe weather hits, like the snow falling this weekend, it’s important to receive a warning. That way, emergency managers can be prepared and people can get to safety. Where

The National Weather Service issued an extreme cold warning for the Chicago area from 3 a.m. through noon Friday.