Excessive Heat — Lower Columbia, Oregon

2021-08-11 to 2021-08-12 · Lower Columbia, Oregon

Event narrative

The high temperatures near Rainier (ODT93) was 100 degrees on the 11th and 12th.

Wider weather episode

Hot weather began to develop August 9, peaking August 11-12, but temperatures continued above normal into the weekend. Peak afternoon temperatures of 100 to 105 degrees drove people to seek relief in or near bodies of water. Heat caused slowdowns on the MAX light rail (Portland metro area) systems, and some businesses did close due to the heat. Cooling shelters were opened in several counties.

Source: NOAA Storm Events Database, event_id 980998. Narrative written by the NWS forecast office that issued the report.