Sunday, July 5 | 10:30 a.m.
The National Weather Service is warning of hot weather on both sides of the Columbia River from the Tri-Cities westward.
A heat advisory for the lower Columbia basin in Washington and Oregon was issued through 8 p.m. Sunday. Highs were forecast to reach 100 degrees or more in the Tri-Cities of Pasco, Kennewick and Richland, Wash., and in Arlington, Boardman and Hermiston, Ore.
West of the Cascades, slightly lower temperatures were forecast for northwest Oregon and southwest Washington. A heat advisory remained in effect with highs forecast to reach 85 to 90 in the inland valleys and Cascade foothills. Highs in the 80s are expected in the Coast Range.
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