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Excessive Heat in Cascades of Whatcom and Skagit Counties, Washington

Excessive Heat August 18, 2022 · Cascades of Whatcom and Skagit Counties, Washington

What the National Weather Service wrote

An observation site at Diablo Dam in the North Cascades set a record high temperature of 103 degrees on August 18. An excessive heat warning was in effect during this time. Hot conditions persisted into the 19th, with a high temperature of 93 degrees but this did not break a record.

The wider storm

A period of hot weather brought very warm temperatures to the interior of Western Washington, helping to set a few record maximum temperatures.

Source: NOAA Storm Events Database, event 1055459. Narratives are written by the National Weather Service forecast office that issued the report.

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