IE 11 is not supported. For an optimal experience visit our site on another browser.

‘Heat dome’ will make parts of US feel like 115 degrees

01:25

A “heat dome” trapping hot air and humidity underneath it is predicted to make the Midwest feel the hottest it has since June 2012. TODAY’s Al Roker reports that 91 million people are under excessive heat advisories in 24 states where temperatures are expected to break 100 degrees later this week. (Run time: 1:25)