Las Vegas battles smoke from wildfires and extreme heat with Red Flag Warnings and poor air quality anticipated.

The National Weather Service has issued extreme heat warnings and heat advisories for parts of California, what areas are ...

San Diego's National Weather Service predicts a warming trend with temperatures 5 to 10 degrees above average.

Tucson is under an extreme heat warning today and Thursday, as high temperatures across the metro area are expected to be at or near all-time August records. Take precautions and limit time outdoors, ...