A potentially dangerous, record-setting heat wave is forecast to scorch Los Angeles on Thursday and Friday, with some triple-digit highs possible — up to 30 degrees above normal for this time of year.

Human-caused climate change has doubled how often extreme heat waves and droughts strike simultaneously in low-income regions, according to peer-reviewed research spanning four decades of global data.

Europe is struggling more and more with extreme heat in the summer. While climate change is the main reason for this increase, what specific physical mechanisms cause a heat wave? One important driver of weather conditions in Europe is the North Atlantic.

Fifty-five heat waves over the past quarter-century would not have happened without human-caused climate change, according to a study published Wednesday. Heat waves that spark damaging droughts are happening more frequently, study finds Maine’s catch of ...

JEA customers broke summertime electricity consumption records two days in a row due to extreme heat. The new record surpasses the previous one set in August 2007, reaching 2,980 MW. JEA suggests setting thermostats to 78 degrees and raising them when away ...

Add Yahoo as a preferred source to see more of our stories on Google. Florida summers are always hot, but the last week or so has been particularly balmy in the Sunshine State, with all but one Florida county under heat advisories on Thursday, July 31.

How Southern Californians experience the heat wave varies depending on several factors, a NASA study shows.

Climate change is projected to make such events more common, but in the so-called "air-conditioned city," those without access to cooled air are most vulnerable to heat-related illnesses.