National Weather Service United States Department of Commerce
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Last Map Update: Fri, Jul 5, 2024 at 7:56:20 pm PDT

A long-duration heat wave will develop Friday and peak this weekend through next week. Highs in excess of 100 °F across the lower elevations with temperatures consecutively above 105 °F in the Lower Columbia Basin. Limited relief is expected overnight, especially across the Lower Columbia Basin, south central WA and north central OR. There is potential to extend beyond Thursday as well - stay weather aware! Remember: Heat is the #1 weather-related killer. Excessive Heat Warning in effect for the: Eastern Columbia River Gorge, Lower Columbia Basin, North Central Oregon, Foothills of the Blues, Simcoe Highlands, Kittitas Valley, & Yakima Valley.