Phoenix has never hit 100 degrees before March 26, a record set in 1988, and physicians worry residents won't recognize early signs of heat illness.

Phoenix's forecast high is 3 degrees shy of the daily record, and almost 20 degrees above normal for Saint Patrick’s Day.

Students from Justine Spitalny STEAM School in west Phoenix joined ABC15's Kidcasters program, stepping in front of a camera ...

Today marked the hottest March 2 on record in Phoenix, according to meteorologists. Here's how long the unseasonable heat is ...

Phoenix hit 85 degrees Monday, marking a 21-degree increase since Friday as a significant warming trend takes hold across the region. Temperatures will continue to climb throughout the week, with ...

Winter is ending early for metro Phoenix as an “unprecedented” March heat wave is delivering record-breaking temperatures ...

Comparing extreme-weather data from the National Weather Service may provide more crucial information than you think.