Officials warn of health risks as massive weather system traps sweltering air.

The National Weather Service issued an extreme heat warning for the Las Vegas Valley, with temperatures expected to reach 110 ...

The US is bracing for another sweltering summer under a heat dome, reminiscent of past record-breaking heat waves. As extreme ...

The National Weather Service office in Las Vegas also issued an “extreme heat warning” for Death Valley National Park, the ...

As triple-digit temperatures continue across Las Vegas, one local woman is working to keep the homeless population hydrated ...

The first major U.S. heat wave of the year starts on Friday. It brings dangerously high temperatures and is expected to last ...

A powerful heat wave continues to grip the Southwest, with dangerously high temperatures impacting much of Arizona, ...

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It all comes down to this: Game 7. A new NBA champion will be crowned Sunday as the Indiana Pacers visit the Oklahoma City Thunder. Tipoff is scheduled for 8 p.m. ET at Paycom Center.