Heat advisories are in place for more than 150 million people across more than 30 U.S. states. That includes parts of Southern California where heat-related medical emergencies are on the rise, as is the threat from new wildfires.
Heat advisories are in place for more than 150 million people across more than 30 U.S. states. That includes parts of Southern California where heat-related medical emergencies are on the rise, as is the threat from new wildfires.