NWS Phoenix AZ
Mar-21 12:39 – Mar-22 8:00
* WHAT…Dangerously hot conditions. Afternoon temperatures 97 to
107. Overexposure can cause heat cramps and heat exhaustion to
develop and, without intervention, can lead to heat stroke.
* WHERE…Portions of south central and southwest Arizona.
* WHEN…Until 8 PM MST Sunday.
* IMPACTS…Heat related illnesses increase significantly during
extreme heat events.