A new data dashboard compares neighborhoods in California and shows why heatwaves can feel more intense in some places.

Large swaths of California are under heat advisories Friday and Saturday with officials cautioning against outdoor activities in triple-digit areas.

Heat doesn’t just mean canceled events. It also poses a health risk. If you can’t afford to cool the whole house, make a ...

It’s important to understand your local climate threats. Arm yourself with information on the early signs of heat illness: ...

New research shows that homeless people are at far greater risk for the impacts of extreme heat than the rest of the U.S. population.

Amid a changing climate, heat is becoming increasingly extreme and deadly. Last year, a study found a 117 percent increase in heat-related deaths from 1999 to 2023, with a particularly notable ...

While the peak of the heat wave wasn't as sweltering as expected on Friday, toasty temperatures accompanied by a dose of unexpected tropical moisture are anticipated across Los Angeles this weekend.