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

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

On Monday at 1:52 p.m. an extreme heat warning was issued by the National Weather Service in effect until Tuesday at 10 p.m.

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

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

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 ...

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

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

Triple-digit temps are expected along both sides of the Oregon Cascades, and stretching east to the John Day Basin and Blue ...

Extreme and potentially dangerous heat is possible around Portland Tuesday. A cooling trend starts to take shape later in the ...

KOIN 6 Chief Meteorologist Josh Cozart explains why Portland is seeing heat as the dog days of summer end.