In photos: Roads buckle as record-setting heat wave grips Pacific Northwest
Of note: Seattle surpassed its record set Sunday by 4°F when it hit 108°F Monday evening and Portland for the third consecutive day recorded an all-time high temperature record high, reaching 116°F. The Canadian town of Lytton set a new national record for the second straight day when it hit 118.2°F.
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Editor's note: This article has been updated with more images.