Extreme Heat Warning Arizona, California | Effective 03/21/2026 00:39
Public safety alert, emergency alert, and weather alert<br />
Description:<br />
* WHAT...Dangerously hot conditions. Afternoon temperatures 94 to<br />
108. Overexposure can cause heat cramps and heat exhaustion to<br />
develop and, without intervention, can lead to heat stroke.
* WHERE...Portions of southwest Arizona and southeast and southern<br />
California.
* WHEN...Until 8 PM MST /8 PM PDT/ Sunday.
* IMPACTS...Heat related illnesses increase significantly during<br />
extreme heat events.
Instruction:<br />