Moderate Heatwave ● Active

Heat Advisory issued October 17 at 1:37PM PDT until October 17 at 8:00PM PDT by NWS Los Angeles/Oxnard CA, United States of America

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

* WHAT...Temperatures up to 95 expected.

* WHERE...Los Angeles County Beaches, Los Angeles County Inland Coast
including Downtown Los Angeles, Palos Verdes Hills, San Luis Obispo
County Beaches, San Luis Obispo County Inland Central Coast, Santa
Barbara County Central Coast Beaches, Santa Barbara County Inland
Central Coast, Santa Barbara County Southeastern Coast, and Santa
Barbara County Southwestern Coast.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses.

Measurements

Coordinates39.9645, -100.8105
RegionSan Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Centra
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyExpected
Cap CertaintyLikely
Cap Expires2026-10-17T20:00:00-07:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

Also reported by: WMO

This event as JSON · API and licence

Source updated 1 day ago (Oct 17, 2026 20:40 UTC) · we last heard from WMO Alert Hub (national weather services) 54 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

About this location

The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.

Area as the agency stated it: San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Centra

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Recognising heat exhaustion and heat stroke, keeping cool, and protecting vulnerable people during extreme heat.

Open Heatwave Safety Guide →

Earlier heatwave events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Nearby & related events

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.