Extreme Heat Warning Issued for Phoenix Metro Area
This alert is no longer in effect.
NOAA issued it on May 8, 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 is in effect for several areas in the Phoenix region from Sunday to Monday, with dangerously hot temperatures expected to reach up to 110 degrees.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Phoenix Metro Area
- Issued
- May 8, 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 Phoenix Metro Area.
Extreme Heat Warning in Phoenix Area
Alert Details
This Extreme Heat Warning has been issued by NWS Phoenix AZ. It is an Extreme Heat Warning alert, effective from May 8, 2026, with the onset on May 10, 2026.
Affected Areas
The warning affects the Northwest Valley, Buckeye/Avondale, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, East Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek in Arizona.
What You Should Do
Take extra precautions if you work or spend time outside. Reschedule strenuous activities to early morning or evening, know the signs and symptoms of heat exhaustion and heat stroke, wear lightweight and loose-fitting clothing, and drink plenty of water. In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water, and more. If anyone is overcome by heat, move them to a cool and shaded location, and call 9-1-1 for heat stroke emergencies.
Expected Conditions
Afternoon temperatures will range from 104 to 110 degrees, with a Major Heat Risk. Heat related illnesses increase significantly during extreme heat events.
Timeline
The warning is effective from 10 AM on Sunday, May 10, 2026, until 8 PM MST on Monday, May 11, 2026.
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 (1,243 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 8, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.