A blistering heat wave has blanketed the Western U.S., shattering temperature records and forcing an extensive heat warning.

A long-running heat wave that has already shattered previous records across the U.S. persisted on Sunday, baking parts of the West with dangerous temperatures that caused the death of a motorcyclist in Death Valley and held the East in its hot and humid grip.

People use umbrellas to block the sun while waiting to take a photo at the “Welcome to Las Vegas” sign Monday. A searing heat wave gripped large parts of the United States on Monday, with much of the West, parts of the East Coast and some of the Deep South under heat alerts. Wade Vandervort/Las Vegas Sun via AP