An extreme heat advisory remains in effect for much of Oregon on Tuesday — from the entirety of the central Willamette Valley to stretches of Central Oregon and the Rogue Valley.

According to the National Weather Service, the heat warning is in effect until 10 p.m. Tuesday.

The Portland area could see temperatures soar as high as 102 degrees during the third consecutive day of the August heatwave.

Temperatures are expected to start cooling down Tuesday evening.

Bend and Pendleton should see temperatures in the mid-90s on Tuesday with a slight cooldown Wednesday.

The Medford area should stay hotter for longer, with temperatures still projected to crest 100 degrees on Wednesday.

Multnomah County declared a state of emergency Monday and opened three cooling shelters.

The National Weather Service reminds people to stay indoors if possible, drink plenty of water and check in on relatives or neighbors who may not have access to air conditioning.

News Source : https://www.opb.org/article/2025/08/12/oregon-extreme-heat-last-day-cooling-weather-on-way/