Excessive Heat in Central Douglas County, Oregon

Persistent high pressure brought excessive heat to central Douglas County for 5 consecutive days from July 5th through July 9th. Low temperatures were generally in the mid 50s to lower 60s, and high temperatures in the mid 90s to 108 degrees. But, a peak reading was recorded on July 6th of 111 degrees at Highway 42 near the Coos County line by ODOT. Record high temperatures were set at Roseburg of 104 degrees on July 5th, 108 degrees on July 6th, 107 degrees on July 7th, 108 degrees on July 8th, and 106 degrees on July 9th.

A persistent ridge over the western states with an associated thermal trough extending from northern California into southern Oregon brought a long-duration heat wave.