Dozens of tornadoes could erupt during severe storms in the U.S. this week, putting millions of people at risk.

Tornado warnings issued across North Texas, including Dallas and Fort Worth, and parts of northern Oklahoma. Several cities are under a tornado watch now.

Several studies have attempted to quantify the tornado risk where you live. Find out your odds here.

A string of tornadoes touched down in multiple states as severe weather stretched from Texas to Michigan.

A multi-day storm system will bring rounds of severe weather from the southern Plains into the Midwest and Ohio Valley through late Friday.