At least 22 dead in Memorial Day weekend storms that devastated several US states

Meteorologist Scott Withers reports on severe storms and tornadoes affecting the Midwest and East Coast, causing significant damage and casualties. The report highlights the widespread impact of hail and tornado outbreaks across multiple states. Upcoming weather threats include more storms with damaging winds and large hail, particularly in Texas and surrounding areas. The heat index is also a concern, with high temperatures expected in several regions.

What meteorological conditions contributed to the severe storms in Texas?

How did the heat index affect the weather conditions in the affected areas?