A cyclist and hikers head down the path at dusk at Mt. Rubidoux in Riverside earlier this month. Temperatures will be on the rise next week. (Gina Ferazzi / Los Angeles Times) The season's most ...

Australia has always had heat waves. But this week's heat wave in southeastern Australia is something else. Temperatures in some inland towns in South Australia, New South Wales and Victoria were up ...

From Toronto to Minneapolis, Chicago to Omaha many places in North America are seeing a surge in summer heat well into fall. But one of the drivers is a weather phenomenon occurring thousands of miles ...

A record-setting marine heat wave stripped huge portions of Florida's coral reef of their colors in 2023, triggering the ninth and worst mass bleaching event in the Caribbean. Temperatures soared for ...

The longest, most intense heat wave since the summer solstice settled into its prime on Thursday, and weather forecasters said it was more impressive than first anticipated. That much was apparent as ...

A heat wave is impacting the Pacific Northwest, with temperatures in the upper 80s to over 100 degrees in Washington. Warm nights are a concern as they prevent the body from recovering from daytime ...

A dangerous heat wave is building across Wisconsin and the Great Lakes this week, with temperatures climbing into the upper 80s and 90s — 20–25 degrees above normal. Much of the state normally expects ...

The season's most dangerous heat wave is expected to bake Southern California and much of the American Southwest this week, with triple-digit highs and elevated fire conditions set to begin Wednesday ...