Extreme Heat Warning for Santa Ana Mountains and Foothills
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Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
An Extreme Heat Warning is in effect for the Santa Ana Mountains and Foothills until 8 PM PDT today due to dangerously hot conditions.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Santa Ana Mountains and Foothills, California
- Issued
- September 9, 2026
- Issuing authority
- NWS San Diego CA
Heat notices are time-bound and location-specific. Confirm the current forecast and local public-health guidance before relying on this archived record.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Extreme Heat Warning issued by NWS San Diego CA. The alert is effective from September 9, 2026 at 2:58 AM PDT and remains in effect until 8 PM PDT this evening.
Affected Areas
Santa Ana Mountains and Foothills.
What You Should Do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Expected Conditions
Dangerously hot conditions with high temperatures in the 90s to near 100 and low temperatures in the 70s expected. Areas of Major HeatRisk with very warm overnight temperatures limiting relief from the heat.
Timeline
The Extreme Heat Warning is in effect until 8 PM PDT September 9, 2026. A Heat Advisory remains in effect from 8 PM this evening to 8 PM PDT Thursday.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (984 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 9, 2026.
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