An unprecedented October heat wave has enveloped the West, with record-setting temperatures from California to Colorado.

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

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

A historic October heatwave with temperatures so extreme they’d be considered hot during the peak of summer isn’t over yet.

Those who repair air conditioning also wouldn’t mind if the temps dropped back to normal for this time of year.

More than 50 new heat records were set on Wednesday, as an October heat wave continues to bake California and Arizona.

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

Sunday's record extends a week of record-breaking temperatures expected to last through the first week of October.

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

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

If it was a normal October, calls to HVAC techs would've dipped off but with this record heat wave, it's approaching ...

Some cities in Northern California are seeing temperatures in the upper 90s and lower 100s. Temperatures are generally in the ...