Extreme Heat Warning Issued for Los Angeles County Areas
This alert is no longer in effect.
NOAA issued it on September 8, 2026, 12 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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 an Extreme Heat Warning from 8 AM Wednesday to 8 PM PDT Thursday for multiple Los Angeles County zones with temperatures expected between 92 and 108.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Los Angeles County, 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: historical. It was issued 12 days ago; use the issuing agency's live warning service for current conditions in Los Angeles County, California.
Alert Details
An Extreme Heat Warning has been issued by the National Weather Service Los Angeles/Oxnard CA. The alert is effective from 8 AM PDT Wednesday, September 9, 2026, to 8 PM PDT Thursday, September 10, 2026. A preceding Heat Advisory remains in effect until 8 AM PDT Wednesday.
Affected Areas
The warning covers Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; and Los Angeles County San Gabriel Valley.
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 between 92 and 108 are expected. Humid conditions will add to heat discomfort, with heat peaking on Wednesday for most areas.
Timeline
The Extreme Heat Warning begins at 8 AM PDT Wednesday and ends at 8 PM PDT Thursday. The preceding Heat Advisory expires at 8 AM PDT Wednesday.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Elsewhere in the country: similar length or severity timing 8
Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,316 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 8, 2026.
Questions & Answers
What people usually ask about a notice like this one.