Headline:
Extreme Heat Warning issued March 21 at 1:39PM MST until March 22 at 8:00PM MST by NWS Phoenix AZ
Event:
Extreme Heat Warning
Urgency:
Expected
Effective:
March 21, 2026 - 1:39pm
Expires:
March 22, 2026 - 4:00am
Description:
* WHAT...Dangerously hot conditions. Afternoon temperatures 99 to
106. Overexposure can cause heat cramps and heat exhaustion to
develop and, without intervention, can lead to heat stroke.
* WHERE...The Northwest Valley of the Phoenix Metro Area, The East
Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley,
Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise
Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek.
* WHEN...Until 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 if you need
help finding resources. More information at
https://www.maricopa.gov/heat.
Instruction:
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may include:
cool, moist, pale skin; headache; dizziness; weakness or exhaustion;
nausea. The most serious illness is heat stroke, which may include:
vomiting; confusion; throbbing headache; decreased alertness or loss
of consciousness; high body temperature (above 105F); hot, dry skin;
rapid, weak pulse; rapid, shallow breathing; seizures.
Area Description:
Northwest Valley; Buckeye/Avondale; Deer Valley; Central Phoenix; North Phoenix/Glendale; Scottsdale/Paradise Valley; East Valley; South Mountain/Ahwatukee; Southeast Valley/Queen Creek
Forcast Office:
NWS Phoenix AZ
Sender: