MORE DAYS OF DANGEROUS EXCESSIVE HEAT: Tuesday-Thursday September 8-11 2026

 So far this year, some regions of Arizona have received 47 EXCESSIVE HEAT WARNINGS

Arizona Severe Extreme Heat Warning | Effective 09/07/2026 00:33 

Heat Warning Details

Dates: Tuesday, September 8 through Friday, September 11, 2026.
Temperatures: Highs will reach between 106 and 114 degrees.
Risk Level: Major heat risk across the lower deserts.
Areas Affected: Phoenix and surrounding lower desert regions. [1, 2, 3, 4]

Extreme Heat Warning 

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
839 AM PDT Mon Sep 7 2026

AZZ537-540>544-546-548>551-081200-
/O.CON.KPSR.XH.W.0009.260908T1700Z-260911T0300Z/
Northwest Valley-Buckeye/Avondale-Cave Creek/New River-Deer
Valley-Central Phoenix-North Phoenix/Glendale-Scottsdale/Paradise
Valley-East Valley-Fountain Hills/East Mesa-South
Mountain/Ahwatukee-Southeast Valley/Queen Creek-
Including the cities of Avondale, Beardsley, Circle City, Sun Lakes,
Wittmann, Phoenix, Chandler, Fountain Hills, Paradise Valley,
Goodyear, Scottsdale, Sun City West, Peoria, Liberty, Tempe, Queen
Creek, Gilbert, Surprise, Cashion, and Mesa
839 AM MST Mon Sep 7 2026