Excessive Heat in Central Douglas County, Oregon

On 06/26/21, the reported low temperatures in this zone ranged from 54 to 65 degrees and the high temperatures ranged from 103 to 110 degrees. On 06/27/21, the reported low temperatures in this zone ranged from 56 to 71 degrees and the high temperatures ranged from 111 to 115 degrees. On 06/28/21, the reported low temperatures in this zone ranged from 57 to 75 degrees and the high temperatures ranged from 98 to 111 degrees. On 6/27/21, Roseburg set an all-time high temperature record of 114 degrees, the old record was 109 degrees set on 8/15/2020.

On 06/26/21, Roseburg set a record for highest temperature in June with 105 degrees. This record was broken the following day.

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.