Temperatures in the region were forecast to remain high into the weekend, with more than 31 million people under excessive heat warnings.

One power supplier said its systems had been overloaded by the prolonged high temperatures. Excess heat warnings remain in place for more than 17...

One power supplier said its systems had been overloaded by the prolonged high temperatures. Excess heat warnings remain in place for more than 17...

Much of the Western U.S. will bake in high temperatures this week. Excessive-heat warnings have been issued for major cities including Las Vegas and...

An upper level high pressure system is expected to continue aiding well above average and potentially dangerous temperatures throughout the West...

An upper level high pressure system is expected to continue aiding well above average and potentially dangerous temperatures throughout the West...

At least three fires were burning near Los Angeles with little containment. Millions of people were under an excessive heat warning.

At least three fires were burning near Los Angeles with little containment. Millions of people were under an excessive heat warning.

Phoenix has had temperatures of 100 degrees Fahrenheit or more for 100 consecutive days, with triple-digit heat continuing into Wednesday, according...

LOS ANGELES, Sept. 6 (Xinhua) -- An unrelenting heat wave has engulfed Southern California this week with temperatures in some areas reaching record...