In the Southwest, cities including Las Vegas and Phoenix are under extreme heat warnings, with temperatures expected to climb ...

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

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

An Extreme Heat Warning remains in effect for the Willamette Valley, Columbia River Gorge, and portions of central Oregon.

Monday is likely to reach 100 degrees under clear sunny skies. Winds will be calm, offering little relief to those without ...

Buckle up for a hot couple of days, Portland. Temperatures could reach 100 degrees Monday, August 11, and there's an extreme ...

PORTLAND, Ore. ( KOIN) — Sunday’s high temp of 99 degrees in Portland made it the hottest day so far in 2025. Now the high ...

Extreme heat warnings are in effect on Monday across parts of Arizona, Nevada, California, Oregon and Washington.

Our heat wave just keeps getting hotter-- with forecast temperatures climbing closer to the triple digits through Tuesday. It ...

With temperatures expected to near or exceed 100 degrees today and Tuesday, Multnomah County officials opened three cooling ...

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.