Dangerous heat is impacting more than 50 millions of Americans in the West this weekend, with eat alerts in effect from Arizona to Washington.

Portland Mayor and County Chair declare emergency in response to heatwave, activating resources to help residents.

Multnomah County and the City of Portland have declared a state of emergency as they brace for the highest-risk heat wave of the year.

Residents in the western U.S. are enduring a heat wave, with temperatures reaching dangerous levels across Washington, Oregon, Southern California, Nevada, and Arizona. On Saturday, around 1.2

Here’s a splash of good news. Portland’s outdoor pool season was expected to come to a close Friday. But when a heat wave for Portland, other parts of the Willamette Valley, southwest Washington and the Columbia River Gorge rolled in,

The Willamette Valley is expecting several more days of 90 degree and higher temperatures. Forecast models don't back off the heat until at least Wednesday. Sarah Bagby will have the latest on the heat wave coming up tonight on KATU News.

The Portland metro area is bracing for triple-digit heat this weekend. Find cooling centers, splash pads, fountains and tips to stay safe as temperatures soar.

The federal government recommends setting your thermostat at this number during the summer to save energy and money.