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

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559
WWUS75 KPSR 221833
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1133 AM MST Wed Jul 22 2026

AZZ530-532-CAZ562>570-231200-
/O.CON.KPSR.XH.W.0007.000000T0000Z-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 Ehrenberg, Plaster City, Chiriaco Summit,
Ripley, Winterhaven, Salton City, Brawley, Fortuna Foothills,
Alamorio, Mountain Spring, Imperial Hot Mineral Springs, El Centro,
Calexico, Yuma, Martinez Lake, Winona, Blythe, Parker, Midland,
Ocotillo, Coyote Wells, Coolidge Springs, Desert Shores, and Palo
Verde
1133 AM MST Wed Jul 22 2026 /1133 AM PDT Wed Jul 22 2026/

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
MONDAY...

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to
  118 degrees. Major to Extreme Heat Risk.

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

* WHEN...Until 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-CAZ560-561-231200-
/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 Quartzsite, Vicksburg, Harcuvar,
Vicksburg Junction, Ligurta, Lost Horse-Keys Village, Brenda,
Salome, Cottonwood Visitor, and Palm Canyon
1133 AM MST Wed Jul 22 2026 /1133 AM PDT Wed Jul 22 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. Afternoon temperatures 106 to
  117 expected. Major Heat Risk. Overexposure can cause heat cramps
  and heat exhaustion to develop and, without intervention, can lead
  to heat stroke.

* WHERE...In Arizona, La Paz and Southeast Yuma counties. In
  California, Joshua Tree NP.

* 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>555-559-231200-
/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 Coolidge, Apache Junction, Hassayampa,
Fountain Hills, Casa Grande, Superior, Gladden, Cactus Forest,
Tonopah, Sentinel, Wickenburg, Arlington, Tortilla Flat, Aguila,
Kaka, Scottsdale, Wintersburg, Florence, and Gila Bend
1133 AM MST Wed Jul 22 2026

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

* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to
  116 degrees. 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.

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>544-546-548-550-551-231200-
/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 Liberty, Avondale, Wittmann, Circle City,
Peoria, Chandler, Queen Creek, Phoenix, Sun City West, Mesa, Tempe,
Goodyear, Gilbert, Surprise, Beardsley, Paradise Valley, Sun Lakes,
and Cashion
1133 AM MST Wed Jul 22 2026

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

* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to
  116 degrees. Major Heat Risk.

* WHERE...South central Arizona, including the Phoenix metropolitan
  area.

* 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.

&&

$$

IS