Extreme Heat Warning for Phoenix Metropolitan Area
This alert is no longer in effect.
NOAA issued it on August 8, 2026, 2 weeks 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 for the Phoenix metropolitan area until 8 PM MST Sunday due to dangerously hot conditions with afternoon temperatures 109 to 114.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Phoenix Metropolitan Area, Arizona
- Issued
- August 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 2 weeks ago; use the issuing agency's live warning service for current conditions in Phoenix Metropolitan Area, Arizona.
Alert Details
Extreme Heat Warning issued by NWS Phoenix AZ on August 8 at 2:08 PM MST, in effect until August 9 at 8:00 PM MST. The alert carries a severity of Severe with likely certainty.
Affected Areas
Northwest Valley; Buckeye/Avondale; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; South Mountain/Ahwatukee; Southeast Valley/Queen Creek. The Phoenix metropolitan area in Maricopa County.
What You Should Do
Take extra precautions if working or spending time outside. Reschedule strenuous activities to early morning or evening when possible. Know the signs of heat exhaustion and heat stroke. Wear lightweight, loose-fitting clothing and drink plenty of water. Schedule frequent rest breaks in shaded or air-conditioned environments. Move anyone overcome by heat to a cool, shaded location. Heat stroke is an emergency; call 911. In Maricopa County, call 2-1-1 for free cooling centers, transportation, and water.
Expected Conditions
Dangerously hot conditions with afternoon temperatures 109 to 114 and Major Heat Risk. Heat-related illnesses increase significantly during extreme heat events.
Timeline
Alert effective from August 8 at 2:08 PM MST through August 9 at 8:00 PM MST.
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 (1,255 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 8, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.