Excessive Heat in South Central Siskiyou County, California

On 08/13/23, reported low temperatures ranged from 55 to 65 degrees. Reported high temperatures ranged from 93 to 105 degrees. On 08/14/23, reported low temperatures ranged from 54 to 67 degrees. Reported high temperatures ranged from 94 to 103 degrees. On 08/15/23, reported low temperatures ranged from 61 to 74 degrees. Reported high temperatures ranged from 92 to 106 degrees. On 08/16/23, reported low temperatures ranged from 56 to 74 degrees. Reported high temperatures ranged from 91 to 105 degrees. Record high temperatures of 102 degrees on 8/14/23, 100 degrees on 8/15/23, and 100 degrees on 8/16/23 were reported at Mount Shasta.

Strong persistent ridging over the Pacific Northwest supported a prolonged heat wave over northern California.