The National Oceanic and Atmospheric Administration says people should start exercising “caution” when the heat index reaches ...

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

Gibbard, lead singer and guitarist for indie band Death Cab for Cutie, completed the Western States 100 ultra-marathon for ...

An Extreme Heat Warning remains in effect on Monday. The high temperature on June 30 in Phoenix is expected to reach 116 degrees. Temps will drop later this week in the Valley, and there will be a ...

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

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

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

PHOENIX (AZFamily) — A very hot start to the week is expected across Arizona, with First Alert Weather Days declared for extreme heat both today and tomorrow. Download the First Alert Weather App Here ...

PHOENIX (AZFamily) — As temperatures climb to extreme levels in the Valley this summer, people should know there are always places they can go to cool off at no cost. Maricopa County has several Heat ...

RICHMOND, Va. — The dangerous heat that's been blanketing our region is sending more people to emergency rooms. Doctors say pregnant women face special risks during these extreme temperatures.

Nearly 160 million people are under heat alerts from eastern Texas to Maine, as temperatures are forecast to be as much as 20 ...

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