Excessive Heat — San Bernardino County-upper Colorado River Valley, California

2025-07-09 · San Bernardino County-upper Colorado River Valley, California

Event narrative

Extreme Heat Warning criteria were reached on one day.

Wider weather episode

High pressure building overhead pushed temperatures well above normal.

Source: NOAA Storm Events Database, event_id 1286135. Narrative written by the NWS forecast office that issued the report.