Portland, Oregon – Oregon’s first major heat wave of the summer is set to blanket Portland, Vancouver, and the Willamette Valley with triple-digit temperatures and little overnight relief starting Tuesday afternoon.
According to the National Weather Service in Portland, an Extreme Heat Watch remains in effect from Tuesday afternoon through Wednesday evening, warning of highs between 95 and 105 degrees across the Portland Metro, Columbia River Gorge, Corbett area, Hood River Valley, and Central Willamette Valley. Forecasters warn overnight lows may not fall below 70 degrees, especially Tuesday night—raising concerns for heat-related illnesses.
Cities including Salem, Vancouver, Hood River, Gresham, Hillsboro, Oregon City, and Longview are all under alert. Major corridors like I-5, I-84, and Highway 26 could see increased incidents of vehicle overheating and road work delays. Emergency services urge residents to stay hydrated, limit outdoor activities, and check on vulnerable neighbors and pets. Without air conditioning, use fans, keep windows closed during the day, and open them at night unless wildfire smoke impacts air quality…