Southern California's prolonged heat wave is finally forecast to let up by Wednesday, but elevated temperatures will continue to bring health and fire risks Monday and Tuesday.

July might have been Las Vegas’ coolest in a decade, but August isn’t likely to repeat that feat. The National Weather Service has issued an extreme heat warning for the Las Vegas Valley. It will be ...

A heatwave gripping parts of Europe sent temperatures over 40C in southern France and the Western Balkans on Monday, fuelling ...

Temperatures are expected to reach between 106 and 111 degrees this week. The hottest day will be Tuesday with an expected temperature of 111 degrees; the coolest day will be Thursday, which is ...

Researchers at Boston University are studying the impacts on people who work in fields that are regularly subjected to hot ...

An extreme heat warning for Portland is issued by NWS, expecting temperatures up to 105 degrees. The public is advised to ...

PARIS (AP) — A heat wave gripping parts of Europe sent temperatures over 40 degrees Celsius (109.4 Fahrenheit) in southern ...

An Extreme Heat Warning remains in effect for the Valley. While temperatures are expected to drop later this week, there is a catch.

Afternoon high 109° in Las Vegas today. Up to 111° tomorrow with an Extreme Heat Warning. Slight storm chances later this week as highs dip to 102° Friday.

The numbers of many tropical birds are plummeting, and now it has been shown that heat extremes intensified by global warming ...

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.

More than 70 million Americans sweated through the muggiest first two months of summer on record as climate change has ...