Nevada and Arizona hit by potentially deadly heat wave, with temperatures in Furnace Creek in Death Valley expected to approach 120 degrees.

A Climate Central analysis reveals one in five U.S. cities now experiencing an additional month of above-normal temperatures, ...

A blistering heat wave is driving temperatures into the triple digits this week across a vast region of the western U.S., serving as a stark reminder that meteorological summer is just days away.

We wanted to make sure you knew about the Extreme Heat Warning we'll see this weekend. We also wanted to let you know that more demonstrations are planned this weekend as part of No King's Day.

Extreme Heat Warning issued for the Mojave Desert due to high temperatures, with rains expected from Tropical Storm Alvin.

The Las Vegas valley remains under an extreme heat warning for the second day. Temperatures are expected to peak at 108 ...

The National Weather Service issued an extreme heat watch to parts of Southern Nevada, including the Las Vegas valley, as ...

The first heat wave of the season is barely in the rear-view mirror, but the National Weather Service is already calling for ...

If you’ve ever driven back to Las Vegas or Reno from an excursion outdoors and noticed the temperature getting hotter as you ...

If you stepped outside at any point on Friday or Saturday, you know that summer is, at least unofficially, upon us. Highs in ...

Extreme heat warnings and heat advisories were issued across parts of the U.S. Southwest and Pacific Northwest on Friday.