The agency warned that extreme heat poses a danger in the evening as well, as temperatures are expected to remain above ...

Dangerously hot conditions hit states up and down the West Coast over the weekend, owing to a persistent heat wave stretching ...

Residents in the Western U.S. are enduring a heat wave with temperatures reaching dangerous levels across Washington, Oregon, ...

Parts of California, Oregon and Washington state will experience extreme heat at least through Tuesday, forecasters say.

A heat wave hitting the West, sending temperatures soaring past the century mark, is expected to persist into the weekend, ...

Southern California should prepare for 'dangerously hot' temperatures through Saturday, but elevated heat will persist into ...

Years of repeated exposure to heat waves may accelerate aging, particularly among manual workers, rural residents and people ...

Multnomah County will not open cooling centers due to temperatures no longer meeting the threshold, but libraries will remain ...

A heat wave gripping the Pacific Northwest has prompted an extreme heat warning in Oregon. How high will temperatures get?

Temperatures are expected to reach triple digits in parts of the Inland Empire on Wednesday, parts of L.A. and Orange ...

An extreme heat warning across Western Washington is in effect through 5 a.m. Wednesday, according to an advisory from the ...

Even as air quality improves, wildfire officials warn the soaring heat and dry air are fuelling dangerous conditions. The B.C ...