First published · Last updated
Extreme Heat Warning issued October 4 at 11:32AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
An extreme heat warning covers the Santa Ana Mountains and Foothills through 8 PM PDT Thursday, with temperatures up to 100 and warm nights. The source warns of increased heat-related illness and provides safety instructions.
Categories: severe-weather-and-natural-disasters, environment-and-climate, public-health
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 6/10
- Geographic reach
- 2/10
- Global importance
- 2/10
- Impact magnitude
- 4/10
- Positivity
- 2/10
- Urgency
- 7/10
Why it matters
The warning says heat-related illnesses increase significantly during extreme heat and advises people to take protective steps.

