Extreme Heat Warning Issued for Catalina and Santa Barbara Islands

Source: NOAA · Catalina and Santa Barbara Islands, 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.

An Extreme Heat Warning is in effect for Catalina and Santa Barbara Islands from 8 AM Wednesday to 8 PM PDT Thursday, with temperatures of 88 to 100 expected.

Read this weather record in 30 seconds

Record type
Extreme Heat Warning
Affected area
Catalina and Santa Barbara Islands, California
Issued
September 8, 2026
Issuing authority
NWS Los Angeles/Oxnard 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 Los Angeles/Oxnard CA. The alert was sent at 10:49 AM PDT on September 8, 2026, and is effective from that time.

Affected Areas

Catalina and Santa Barbara Islands (CAZ087).

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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed.

Expected Conditions

Temperatures of 88 to 100 expected. Humid conditions will add to heat discomfort. Heat peaking on Wednesday for most areas. Heat related illnesses increase significantly during extreme heat events.

Timeline

The warning is in effect from 8 AM PDT Wednesday, September 9, 2026, to 8 PM PDT Thursday, September 10, 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?
An Extreme Heat Warning is in effect for Catalina and Santa Barbara Islands from 8 AM Wednesday to 8 PM PDT Thursday, with temperatures of 88 to 100 expected.
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 Catalina and Santa Barbara Islands, 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.