Extreme Heat Warning for Imperial County West and Imperial Valley

Source: NOAA · Imperial Valley, California

This alert is no longer in effect.

NOAA issued it on September 7, 2026, 3 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 Phoenix AZ has issued an Extreme Heat Warning for Imperial County West and Imperial Valley from 10 AM Tuesday through 8 PM PDT Friday, with afternoon temperatures of 106 to 112 expected.

Read this weather record in 30 seconds

Record type
Extreme Heat Warning
Affected area
Imperial Valley, California
Issued
September 7, 2026
Issuing authority
NWS Phoenix AZ

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 3 days ago; use the issuing agency's live warning service for current conditions in Imperial Valley, California.

Alert Details

Extreme Heat Warning issued by NWS Phoenix AZ. Effective from 2026-09-07T00:33:00-07:00, with onset at 2026-09-08T10:00:00-07:00 and ending 2026-09-11T20:00:00-07:00. Severity: Severe. Certainty: Likely. Urgency: Expected.

Affected Areas

Imperial County West and Imperial Valley (CAZ566, CAZ567).

What You Should Do

Take extra precautions if you work or spend time outside. Reschedule strenuous activities to early morning or evening when possible. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing and drink plenty of water. Schedule frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency. Call 911. Public cooling shelters are available in some areas.

Expected Conditions

Dangerously hot conditions with afternoon temperatures 106 to 112 expected. Major Heat Risk. Heat related illnesses increase significantly during extreme heat events.

Timeline

Alert issued September 7 at 12:33 AM MST. Effective from 10 AM Tuesday to 8 PM PDT Friday.

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 Phoenix AZ has issued an Extreme Heat Warning for Imperial County West and Imperial Valley from 10 AM Tuesday through 8 PM PDT Friday, with afternoon temperatures of 106 to 112 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 Imperial Valley, 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.