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

2021-09-07 to 2021-09-09 · Mountains Southwestern Shasta County To Western Colusa County, California

Event narrative

The western foothills of the Sacramento Valley saw high temperatures reach upwards of 107 to 112 degrees during the event.

Wider weather episode

High pressure over California resulted in very hot daytime temperatures and warm overnight low temperatures across interior Northern California. High to very high heat risk impacted the region. One daily high temperature record was broken. During the event, cooling centers were made available to the public across interior Northern California.

Source: NOAA Storm Events Database, event_id 987039. Narrative written by the NWS forecast office that issued the report.