California braces for its first widespread heat wave as temps could soar above 100 from Sacramento to the Central Valley to ...

Southern California residents had made it through the worst of this week's heat wave with slightly lower temperatures on tap ...

The heat pushed well into the 90s in many areas Wednesdays but will drop into the 80s in many areas on Thursday and get even ...

Gray will be traded for a brief heat wave this week, with record triple-digit temperatures expected in some areas.

Quebec's health ministry says subscribers will receive a message by telephone, email or text message a day before an extreme weather event to warn them of its arrival.

San Diego weather forecast predicts seasonal coolness followed by a warming trend with temperatures above average inland.

A heat wave is expected to push North Bay temperatures into the upper 90s by Friday, prompting warnings of moderate heat risk ...

Wednesday will be warm, but unless the weather takes a dramatic turn, it won’t come close to record-breaking. The one-day ...

New research finds clownfish shrink their bodies to survive warming oceans. Scientists observed some of the orange-striped ...

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

Miami faces high temperatures with a peak heat index over 100°, a mix of sun, humidity, and occasional thunderstorms.

Heat waves destroy crops, drive wildfires, and kill humans and wildlife, but these extreme weather events aren't just limited ...