Amid a scorching heat wave, Phoenix firefighters are responding to heat-related emergency calls, especially among people ...

Phoenix's extreme heat affects flights at Sky Harbor Airport, causing longer takeoffs, turbulence, and potential delays due ...

The Phoenix Fire Department has handled more than 130 heat-related calls since May 1, using cold water immersion treatments ...

An unbearable heat wave gripping much of the southwestern United States is expected to peak Thursday, Aug. 7, as temperatures climb well over triple digits.

In the wake of the hottest August day ever recorded in Phoenix, an ongoing extreme heat warning has been extended through the ...

Due to extreme heat, the Arizona Animal Welfare League temporarily closed its doors to adoptions, as its kennel buildings ...

It's going to be a hot one! Record highs are expected on Wednesday in the Valley. An Extreme Heat Warning remains in effect.

Phoenix is facing an intense heatwave, with temperatures predicted to rise up to 111°F and potentially hitting 116°F later in ...

The latest triple-digit day on record is Oct. 27, 2016, so Phoenix could also encroach on that record. Phoenix already broke the record for days over 110 degrees, with 61 before this week's heat ...

Phoenix could see temperatures as high as 120 degrees Across the U.S., climate change is making heat waves longer, more frequent and more intense.

Phoenix is experiencing record-breaking, prolonged extreme heat driven by climate change, pushing the city into uncharted ...