A family of 11, including six children, was rescued off the Holbert Trail on South Mountain in Phoenix during a hot summer ...

Portugal is expected to see highs of up to 109 degrees Fahrenheit. Parts of Spain, France, Italy and Greece are also bracing ...

Fire crews have been called to conduct multiple mountain rescues amid extreme heat in the Valley on Sunday, including one ...

According to the Pima County Sheriff's Department, eight hikers were at Bear Mountain and had to be rescued due to ...

Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air ...

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

As triple-digit temperatures hit the East Coast, individuals with a mental illness taking psychiatric medications could be at ...

Get ready for scorching temperatures! A robust ridge of high pressure is bringing intense heat to Arizona this weekend, peaking Sunday through Tuesday.

Hot temperatures continue with high temperatures peaking on Monday when an Extreme Heat Warning is in effect for portions of southeast Arizona. This warning will be in effect from 10 a.m. to 8 p.m.

Providence, RI is under an extreme heat warning for the second consecutive day, with temperatures expected to reach 102 degrees and a heat index of 110. The extreme heat warning advises residents to ...