Excessive Heat — South Central Oregon Cascades, Oregon

2021-06-26 to 2021-06-30 · South Central Oregon Cascades, Oregon

Event narrative

On 06/26/21, the reported low temperatures in this zone ranged from 51 to 56 degrees and the high temperatures ranged from 80 to 91 degrees. On 06/27/21, the reported low temperatures in this zone ranged from 54 to 62 degrees and the high temperatures ranged from 86 to 99 degrees. On 06/28/21, the reported low temperatures in this zone ranged from 56 to 70 degrees and the high temperatures ranged from 88 to 101 degrees. On 06/29/21, the reported low temperatures in this zone ranged from 56 to 60 degrees and the high temperatures ranged from 85 to 99 degrees.

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 958792. Narrative written by the NWS forecast office that issued the report.