NWS / NOAA weather: Extreme Heat Warning issued August 18 at 12:28AM MST until August 21 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures
106 to 114 expected. Major Heat Risk.

* WHERE...Portions of southwest Arizona and southeast California.

* WHEN...Until 8 PM MST /8 PM PDT/ Friday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.

Severity

Severe (4/5) · CAP Severe

This month

1380th Weather alert at severity 4+ in the last 30 days