Excessive Heat — Mountains Southwestern Shasta County To Western Colusa County, California

2022-09-04 to 2022-09-09 · Mountains Southwestern Shasta County To Western Colusa County, California

Event narrative

The western foothills of the Sacramento Valley saw high temperatures reach upwards of 100 to 114 degrees during the event, with very warm lows in the 80s. The hottest days were the 5th and 6th when Stonyford reached 114 and Eagle Peak reached 102 each day. On the 6th Eagle Peak had a low of only 88. Arbuckle Basin reached 102 on the 5th and 104 on the 6th, with a low of only 89 on the 6th.

Wider weather episode

Strong high pressure over interior northern California brought widespread high to very high heat risk to the region. Triple-digit high temperatures were observed across most of the Central Valley, Delta, and foothills through the first 9 days of September. The hottest temperatures were on September 5 and 6, when temperatures exceeding 110 were observed at many locations. All-time records were set on the 6th for Sacramento stations and tied in Stockton. Numerous daily and monthly record high-temperature were also set in the area. There was one death attributed to the heat in Sacramento County.

Source: NOAA Storm Events Database, event_id 1057562. Narrative written by the NWS forecast office that issued the report.