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

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

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

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

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

A dangerous heat wave peaking Monday, Aug. 25, will push afternoon highs into the 90s across much of the Pacific Northwest.

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

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

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