Headline:
Extreme Heat Warning issued March 21 at 12:39AM MST until March 22 at 8:00PM MST by NWS Phoenix AZ
Event:
Extreme Heat Warning
Urgency:
Expected
Effective:
March 21, 2026 - 12:39am
Expires:
March 21, 2026 - 3:00pm
Description:
* 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.
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:
Kofa; Yuma; Central La Paz; Aguila Valley; Southeast Yuma County; Gila River Valley; Tonopah Desert; Gila Bend; Northwest Pinal County; West Pinal County; Sonoran Desert Natl Monument
Forcast Office:
NWS Phoenix AZ
Sender:
w-nws.webmaster@noaa.gov