Extreme Heat Warning Arizona | Effective 03/21/2026 13:39
Public safety alert, emergency alert, and weather alert<br />
Description:<br />
* WHAT...Dangerously hot conditions. Afternoon temperatures 99 to<br />
106. Overexposure can cause heat cramps and heat exhaustion to<br />
develop and, without intervention, can lead to heat stroke.
* WHERE...The Northwest Valley of the Phoenix Metro Area, The East<br />
Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley,<br />
Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise<br />