The extreme heat warning for northwest Oregon has been extended into Aug. 12 due to temperatures that will continue to ...

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

An Extreme Heat Warning remains in effect for central and southwestern Arizona through 8 p.m. Tuesday. For the Grand Canyon ...

Western Antelope Valley Foothills, Eastern Antelope Valley Foothills and Antelope Valley are the focus of an updated extreme ...

On Sunday at 10:42 p.m. the NWS Hanford CA released an updated extreme heat warning in effect until Tuesday at 5 a.m. The ...

At 1:40 a.m. on Monday, the NWS Las Vegas NV released an updated extreme heat warning valid from 10 a.m. until Tuesday 8 p.m.

On Sunday at 1:11 p.m. the National Weather Service released an extreme heat warning in effect until Tuesday at 10 p.m. for ...

On Sunday at 1:11 p.m. an extreme heat warning was issued by the National Weather Service in effect until Tuesday at 10 p.m.

Extreme heat is heading to both coasts, bringing dangerously high temperatures to the Northeast, Northwest and Southwest.

Southern California's prolonged heat wave is finally forecast to let up by Wednesday, but elevated temperatures will continue ...

In all, nearly 30 million Americans live where heat advisories or extreme heat warnings are in effect, the weather service ...

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