Punishing heat for the West could smash records as experts sound alarm for wildfire conditions
Things are heating up in parts of the country, as a prolonged heat event threatens long-standing records and endangers millions of Americans' safety.
About 43 million people across the West and the Southwest were under heat alerts Monday, with highs soaring 10 to 30 degrees above average throughout the week.
Multiple cities are expected to shatter their daily record high temperatures with triple digits, including Phoenix and Tuscon in Arizona, and Salt Lake City. Phoenix and Las Vegas are expected to remain above 110 all week, and Death Valley could...