Record-Breaking Heat Waves Sweep Across U.S.

High-pressure 'heat dome' intensifies extreme temperatures in Southwest, while Northeast braces for first heat wave of the season.

Southwestern U.S. sees triple-digit temperatures, setting new records in cities like Phoenix and Las Vegas.
Over 24 million people under extreme heat advisories in the Southwest, with temperatures reaching up to 122°F.
Northeast U.S. to experience its first heat wave of the year, with temperatures climbing into the 90s.
Experts warn of significant health risks, particularly for vulnerable populations without access to cooling.
Climate change may be contributing to the frequency and intensity of these heat waves, according to recent studies.