A relentless heat wave has engulfed the United States, setting new records and posing dangerous conditions for millions of people. In the West, scorching temperatures led to the tragic death of a motorcyclist in Death Valley, while the East grappled with oppressive heat and humidity.
On Sunday, an excessive heat warning, the National Weather Service's highest alert, covered approximately 36 million individuals, accounting for about 10% of the population. Numerous locations in the West and Pacific Northwest either tied or surpassed previous heat records.
