Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Phoenix, AZ

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983
WWUS75 KPSR 211858
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1158 AM MST Tue Jul 21 2026

AZZ530-532-CAZ562>570-221200-
/O.CON.KPSR.XH.W.0007.260722T1700Z-260728T0300Z/
Parker Valley-Yuma-Imperial County Southwest-Salton Sea-
Chuckwalla Mountains-Imperial County Southeast-Imperial County
West-Imperial Valley-Chiriaco Summit-Palo Verde Valley-Chuckwalla
Valley-
Including the cities of Brawley, El Centro, Yuma, Ehrenberg, Plaster
City, Winterhaven, Coyote Wells, Alamorio, Salton City, Blythe,
Midland, Mountain Spring, Coolidge Springs, Fortuna Foothills,
Parker, Ripley, Imperial Hot Mineral Springs, Martinez Lake,
Calexico, Palo Verde, Desert Shores, Winona, Chiriaco Summit, and
Ocotillo
1158 AM MST Tue Jul 21 2026 /1158 AM PDT Tue Jul 21 2026/

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/
WEDNESDAY TO 8 PM MST /8 PM PDT/ MONDAY...

* WHAT...Dangerously hot conditions possible. Afternoon temperatures
  108 to 116. Major Heat Risk.

* WHERE...Southwest Arizona and southeast California.

* WHEN...From 10 AM MST /10 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/
  Monday.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will occur. Actions should be taken to
lessen the impact of the extreme heat.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible and
drink plenty of water.

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.

Public cooling shelters are available in some areas. Consult county
officials for more details.

&&

$$

AZZ531-533-535-536-CAZ560-561-221200-
/O.CON.KPSR.XH.W.0007.260723T1700Z-260728T0300Z/
Kofa-Central La Paz-Southeast Yuma County-Gila River Valley-
Joshua Tree NP West-Joshua Tree NP East-
Including the cities of Salome, Lost Horse-Keys Village, Ligurta,
Palm Canyon, Vicksburg, Vicksburg Junction, Brenda, Harcuvar,
Quartzsite, and Cottonwood Visitor
1158 AM MST Tue Jul 21 2026 /1158 AM PDT Tue Jul 21 2026/

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/
THURSDAY TO 8 PM MST /8 PM PDT/ MONDAY...

* WHAT...Dangerously hot conditions possible. Afternoon temperatures
  108 to 116. Major Heat Risk.

* WHERE...In Arizona, Central La Paz, Gila River Valley, Kofa, and
  Southeast Yuma County. In California, Joshua Tree National Park.

* WHEN...From 10 AM MST /10 AM PDT/ Thursday to 8 PM MST /8 PM PDT/
  Monday.

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will occur. Actions should be taken to
lessen the impact of the extreme heat.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible and
drink plenty of water.

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.

Public cooling shelters are available in some areas. Consult county
officials for more details.

&&

$$

AZZ534-538-539-541-545-547-549-552>555-559-221200-
/O.CON.KPSR.XH.W.0007.260723T1700Z-260728T0300Z/
Aguila Valley-Tonopah Desert-Gila Bend-Cave Creek/New River-New
River Mesa-Rio Verde/Salt River-Fountain Hills/East Mesa-Superior-
Northwest Pinal County-West Pinal County-Apache Junction/Gold
Canyon-Sonoran Desert Natl Monument-
Including the cities of Wickenburg, Cactus Forest, Arlington,
Tonopah, Scottsdale, Casa Grande, Wintersburg, Sentinel, Kaka, Apache
Junction, Tortilla Flat, Coolidge, Hassayampa, Superior, Florence,
Aguila, Gladden, Gila Bend, and Fountain Hills
1158 AM MST Tue Jul 21 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8 PM
MST MONDAY...

* WHAT...Dangerously hot conditions possible. Afternoon temperatures
  105 to 115. Major Heat Risk.

* WHERE...Portions of South-central Arizona.

* WHEN...From 10 AM Thursday to 8 PM MST Monday.

* 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.

* ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free
  cooling center, transportation, water and more.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will occur. Actions should be taken to
lessen the impact of the extreme heat.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible and
drink plenty of water.

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.

Public cooling shelters are available in some areas. Consult county
officials for more details.

&&

$$

AZZ537-540-542>544-546-548-550-551-221200-
/O.CON.KPSR.XH.W.0007.260723T1700Z-260728T0300Z/
Northwest Valley-Buckeye/Avondale-Deer Valley-Central Phoenix-
North Phoenix/Glendale-Scottsdale/Paradise Valley-East Valley-
South Mountain/Ahwatukee-Southeast Valley/Queen Creek-
Including the cities of Mesa, Sun City West, Liberty, Sun Lakes,
Peoria, Gilbert, Tempe, Avondale, Phoenix, Goodyear, Cashion, Queen
Creek, Chandler, Beardsley, Surprise, Wittmann, Circle City, and
Paradise Valley
1158 AM MST Tue Jul 21 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8 PM
MST MONDAY...

* WHAT...Dangerously hot conditions possible. Afternoon temperatures
  110 to 115. Major Heat Risk.

* WHERE...South central Arizona, including the Phoenix metro.

* WHEN...From 10 AM Thursday to 8 PM MST Monday.

* 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.

* ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free
  cooling center, transportation, water and more.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will occur. Actions should be taken to
lessen the impact of the extreme heat.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible and
drink plenty of water.

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.

Public cooling shelters are available in some areas. Consult county
officials for more details.

&&

$$

AR