PHOENIX (AZFamily) — Today is a First Alert Weather Day with an Excessive Heat Warning in effect. The Valley will warm to 109 ...

On Wednesday, about 39 million people in the region were under heat alerts, according to the National Weather Service.

On Wednesday, about 39 million people in the region were under heat alerts, according to the National Weather Service.

With this week’s news that superstar Jack White will play the historic theater, here’s a look at some of the big names that ...

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

On Sunday, the forecast high is 109. Our record for that date is 105 set in 1917. If we break that record, Phoenix will experience a 100-year heat wave.

Climate change is allowing for extreme heat to last longer into fall, as record-breaking temperatures for the month of ...

The month kicked off with triple-digit temperatures in many parts of the state, with millions of Californians under heat ...

Palm Springs, Calif., reached 117 degrees Tuesday as a heat wave in the western United States broke hundreds of records.

Phoenix is in the throes of an unprecedented heat wave expected to last at least until the end of the week. Reality check: ...

Heat has been the leading cause of weather-related deaths in the United States for at least 30 years. A study by Penn State ...