33°27'北 / 112°15'西 / 高度 309 m / 04:40 2026-03-21, America/Phoenix (UTC-7)
開始于: 2026-03-21, 00:39
到: 2026-03-21, 15:00
* 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.
Maricopa
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.
NWS Phoenix AZ
2026-03-21, 00:39開始于: 2026-03-21, 00:39
到: 2026-03-21, 15:00
* WHAT...Dangerously hot conditions. Afternoon temperatures 94 to 105. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.
* WHERE...Apache Junction/Gold Canyon, Cave Creek/New River, Dripping Springs, Fountain Hills/East Mesa, New River Mesa, Rio Verde/Salt River, and Superior.
* WHEN...Until 8 PM MST Sunday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events.
MaricopaTo 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.NWS Phoenix AZ2026-03-21, 00:39開始于: 2026-03-21, 00:39
到: 2026-03-21, 15:00
* 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.
Maricopa,Buckeye/AvondaleTo 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.NWS Phoenix AZ2026-03-21, 00:39