Red Flag Warning for Eastern San Gabriel Mountains and Santa Susana Mountains

Source: NOAA · Southern California

If you are in immediate danger, call emergency services now.

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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.

NWS Los Angeles/Oxnard has issued a Red Flag Warning in effect until 3 PM PDT today for extreme heat, instability, gusty winds and low humidities.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Southern California
Issued
August 28, 2026
Issuing authority
NWS Los Angeles/Oxnard CA

Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.

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

Red Flag Warning issued by NWS Los Angeles/Oxnard CA. Effective from August 28, 2026 at 9:59 AM PDT until August 28, 2026 at 3:00 PM PDT. Alert type code: FWW.

Affected Areas

Santa Susana Mountains and Eastern San Gabriel Mountains (fire zones CAZ375 and CAZ380). Also referenced for dry lightning potential across San Luis Obispo County.

What You Should Do

Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out.

Expected Conditions

High temperatures 96 to 106 across lower elevations and 85 to 95 in higher mountains. Southwest winds 10 to 20 mph with gusts 20 to 30 mph. Minimum relative humidities 12 to 25 percent. Deep mixing heights of 12,000 to 18,000 feet. 10-25 percent chance of thunderstorms with risk of dry lightning.

Timeline

Warning remains in effect through 3 PM PDT on August 28, 2026.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Los Angeles/Oxnard has issued a Red Flag Warning in effect until 3 PM PDT today for extreme heat, instability, gusty winds and low humidities.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southern California. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.