Extreme Heat Warning Issued for Imperial County Areas
This alert is no longer in effect.
NOAA issued it on May 16, 2026, 3 months 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.
An Extreme Heat Warning remains in effect from 10 AM Sunday to 8 PM PDT Monday for southwest and western Imperial County including the Salton Sea, with dangerously hot conditions expected.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Imperial County, California
- Issued
- May 16, 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 months ago; use the issuing agency's live warning service for current conditions in Imperial County, California.
Alert Details
Extreme Heat Warning issued by NWS Phoenix AZ. The alert is in effect from 10 AM PDT Sunday to 8 PM PDT Monday.
Affected Areas
Southwest corner of Imperial County, Western Imperial County, and Salton Sea.
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 101 to 112 expected. Major Heat Risk.
Timeline
Alert effective from 10 AM PDT Sunday through 8 PM PDT Monday.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →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.
Similar body length
Nearest notices by article body length (945 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 16, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.