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 ...

Health warnings were issued to tens of millions of Europeans as temperatures climbed well above 100 degrees Fahrenheit, or ...

The heat was so expansive that mountaintops, including the French Alps, that are usually frozen from snowpack saw record ...

Find out about the Europe heatwave and its impacts, including record temperatures and travel advisories for tourists.

Fire crews were called to conduct multiple mountain rescues amid extreme heat in the Phoenix area on Sunday, including one ...

Major heat waves across Southern Europe have pushed temperatures above 40 degrees Celsius or 104 degrees Fahrenheit in ...

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.

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 ...

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

PHOENIX — Record-breaking heat is making a comeback in the Valley today. An Extreme Heat Warning remains in effect through Tuesday, with temperatures expected to climb between 113 and 117 degrees ...