A dangerous heat wave blankets the US Midwest and Southeast, with feels-like temperatures soaring to 115°F in some areas. Extreme heat warnings are in effect for cities including St. Louis, Myrtle Beach, and Raleigh. Millions face consecutive days of extreme heat, with a level 4 "Extreme Heat Risk" issued for the Southeast. Meanwhile, dry conditions in the West fuel concerns about wildfires.

Prepared by Olivia Bennett and reviewed by editorial team.