National Weather Service Issues 'Stay Inside' Warning as 18 Inches of Snow Move Across U.S.

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, January 23, through Monday, January 26.

A widespread winter weather system is blanketing multiple states across the U.S., bringing heavy snow, dangerously cold temperatures and ice, according to the NWS.

"A significant, long-duration winter storm will bring widespread heavy snow...