Excessive Heat — Klamath Basin, Oregon

2021-06-26 to 2021-06-30 · Klamath Basin, Oregon

Event narrative

On 06/26/21, the reported low temperatures in this zone ranged from 44 to 50 degrees and the high temperatures ranged from 92 to 94 degrees. On 06/27/21, the reported low temperatures in this zone ranged from 50 to 57 degrees and the high temperatures ranged from 96 to 101 degrees. On 06/28/21, the reported low temperatures in this zone ranged from 51 to 60 degrees and the high temperatures ranged from 100 to 103 degrees. On 06/29/21, the reported low temperatures in this zone ranged from 50 to 54 degrees and the high temperatures ranged from 100 to 104 degrees. On 06/30/21, the reported low temperatures in this zone ranged from 46 to 51 degrees and the high temperatures ranged from 94 to 101 degrees. Klamath Falls set a high temperature record for the month of June with 101 degrees on 06/27, the old record was 96 degrees, set in 2015. This record was broken the very next day, 6/28, when a high temperature of 103 degrees was recorded.

Wider weather episode

A historic heat wave affected the Pacific Northwest during this interval. It was caused by a strong upper level ridge that created dry and stable conditions over the area with strong subsidence. Many daily, monthly, and all-time high temperature records were set over southwest and south central Oregon.

Source: NOAA Storm Events Database, event_id 958793. Narrative written by the NWS forecast office that issued the report.