Extreme heat warnings and heat advisories were issued across parts of the U.S. Southwest and Pacific Northwest on Friday.

Gov. Gavin Newsom on Thursday announced the launch of a new, first-in-the-nation tool to forecast and rank heat severity in ...

Large swaths of California are under heat advisories Friday and Saturday with officials cautioning against outdoor activities ...

Southern California residents are bracing for what forecasters say will be the hottest day of the week on Friday. “We’re looking at a heat advisory that’s now in effect, and if you’re traveling ...

Heat advisories have been issued for large areas of California, as forecasters expect temperatures to climb above 100 across the state this weekend.

A University of Maryland study reveals more frequent and intense marine heat waves in Chesapeake Bay using advanced satellite ...

USA TODAY analysis found that 90-plus heat index days are becoming more frequent, starting earlier, lasting longer and ...

We’re tracking dangerous heat waves across the United States daily. Look up your city to see extreme heat risks near you. End of carousel Some heat domes last for weeks, driving up temperatures ...

A short-lived but punishing blast of intense heat will spread over the western United States through Saturday, pushing ...

This week, temperatures will soar across the state, and the Texas Department of Public Safety is urging Texans to take precautions to stay safe. SUMMER HEAT FAST FACTS: — Rapid temperature rise: On a ...

Last year’s extreme heat caused some time honored local traditions to adjust their hours or relocate to indoor venues to keep ...

CAPA created the interactive map, integrating the data from the mobile heat sensing ... much as 10.2 degrees warmer by the end of the century. Long term exposure to extreme heat could cause chronic ...