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, some pools — Peninsula, Creston and Pier – announced they will remain open through Sept. 5.

Friday and Saturday could reach 100 degrees, while Sunday through Tuesday may see highs in the upper 90s in Portland.

Temperatures in Salem reached 100 degrees Friday as the Oregon State Fair opened its gates to crowds from across the state.

Just a week and a half after the last one, another heat wave is hitting the Portland area. This time, temperatures are set to hit 100 degrees Friday, August 22, and Saturday will likely be even hotter.

Here’s how to use the Oregon Public Utility Commission rule that safeguards Oregonians from disconnections amid sweltering weather.

The NWS issued an extreme heat warning for Portland with temperatures up to 103°F, advising caution against heat-related illnesses.

A stretch of potentially dangerous and record-breaking heat arrives in Portland and much of the Pacific Northwest on Friday. A KOIN 6 Weather Alert goes into place

From adjusting blinds to timing appliance use, these tips can help keep you comfortable while cutting energy costs during the heat wave.

What’s the “right” temperature to set your thermostat at to save money but still feel comfortable? In the summer — and especially during days like the extreme heat that is forecast to linger over Portland and other parts of Oregon and Southwest Washington for the next five days — the federal government’s Energy Star program has recommended 78 degrees

The event kicked off early Friday morning, and teams are already on the roads, traveling from Mount Hood all the way to the Pacific Ocean. Ahead of the relay, Dan Floyd, the chief operating officer of Hood to Coast, urged participants to prepare in advance for the heat wave that’s expected to start over the weekend.

Kaleigh McAfee with the AMR River Rescue Team says it's been a busy summer at Glenn Otto Park on Sandy River, advising people to hydrate and wear life jackets.

In the summer — and especially during days like the extreme heat that is forecast to linger over Portland and other parts of Oregon and Southwest Washington for the next five days — the federal government’s Energy Star program has recommended 78 degrees Fahrenheit.