A list of Tri-Cities temperature records broken by this week’s heat wave

Final update: July 2, 2021 at 06:10 PDT. Details below. As we head into July, the heat wave that gripped the region over the past week or so is waning. It leaves behind numerous new temperature records throughout the Pacific Northwest as well as possibly hundreds of deaths and some large wildfires. This article is […]

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All-time records may fall in the Columbia Basin with the upcoming heatwave

An unusually strong area of high pressure is forecast to build over the Pacific Northwest during the next several days. The drought in place across much of the West (including the Columbia Basin) also adds a little to what temperatures the region may see. With soil moisture values low, there is little if any water […]

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Heat advisory for the Columbia Basin extended to Thursday

Early Monday morning, the National Weather Service issued a heat advisory for the Columbia Basin. That advisory will still start at 11:00 Tuesday but now extends to 20:00 Thursday. It includes the Tri-Cities, Yakima, Walla Walla, Hermiston, and surrounding areas. FORECAST This heatwave comes just in time for the start of meteorological summer, which begins […]

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False fall drawing to a close; highs above 105° expected

A ridge of high pressure will build over the next couple days, bringing a steady climb to high temperatures across the Columbia Basin for the remainder of the week. Current indications are that highs will reach their peak Sunday with highs at or above 105°. The warmest locations will be in the lower elevations, such […]

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New high temperature records Thursday as heat wave continues

On Thursday afternoon, the Tri-Cities Airport reached 110° for the first time in five years, but it didn’t stop there. Preliminary data from the National Weather Service shows the airport in Pasco reached a high of 111°, solidly beating the old record for July 30 which was 107° set in 2003. The Tri-Cities aren’t the […]

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Highs around 110° for the Columbia Basin

High pressure will remain in place over the region through Friday. This coupled with southerly flow thanks to a deepening low in the Pacific will amplify already hot temperatures in the Inland Northwest, prompting the National Weather Service to issue an excessive heat warning for the Tri-Cities and surrounding areas. This warning goes into effect […]

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