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

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.

PHOENIX - More record-breaking temps were felt on Wednesday as an Excessive Heat Warning was extended through the weekend.

Phoenix faces a week of soaring triple-digit temperatures with little relief from light winds, per the National Weather ...

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

Tuesday was first October day in Phoenix with a temperature at or above 110 degrees since records began in 1896, the National ...

The calendar has flipped to October and for the first time in history, Phoenix has reached 110 degrees in the 10th month of ...

So far, 31,657 visitors have taken respite inside the cooling centers — and the number is only expected to increase.

Forecasters see more hot weather in Phoenix for now, but as the days grow shorter and the nights longer, cool weather should ...

Monday was the last day of the hottest September on record in Phoenix, and it put a cap on one of the city's driest monsoon ...

Phoenix is bracing for a prolonged heatwave with temperatures soaring to 110 degrees and only slightly cooler evenings.

The high on Oct. 1 in Phoenix is expected to be about 111°F, which would shatter the previous high of 107°F that was set in ...