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

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814
WWUS75 KPSR 230753
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1253 AM MST Sat Aug 23 2025

AZZ530>533-535-536-CAZ560>570-232230-
/O.CON.KPSR.XH.W.0007.000000T0000Z-250825T0300Z/
Parker Valley-Kofa-Yuma-Central La Paz-Southeast Yuma County-Gila
River Valley-Joshua Tree NP West-Joshua Tree NP East-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 Palo Verde, Vicksburg, Brawley, Ocotillo,
Chiriaco Summit, Palm Canyon, Desert Shores, Vicksburg Junction,
Yuma, Mountain Spring, Plaster City, El Centro, Ligurta,
Winterhaven, Winona, Cottonwood Visitor, Parker, Ripley, Martinez
Lake, Alamorio, Quartzsite, Calexico, Harcuvar, Coolidge Springs,
Fortuna Foothills, Brenda, Salome, Midland, Salton City, Blythe,
Coyote Wells, Imperial Hot Mineral Springs, Ehrenberg, and Lost
Horse-Keys Village
1253 AM MST Sat Aug 23 2025 /1253 AM PDT Sat Aug 23 2025/

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

* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to
  113. Major Heat Risk.

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

* WHEN...Until 8 PM MST /8 PM PDT/ Sunday.

* 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>555-559-232230-
/O.CON.KPSR.XH.W.0007.000000T0000Z-250825T0300Z/
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 Gila Bend, Arlington, Tonopah, Sentinel,
Hassayampa, Wickenburg, Cactus Forest, Gladden, Fountain Hills,
Scottsdale, Coolidge, Tortilla Flat, Superior, Florence, Apache
Junction, Aguila, Kaka, Wintersburg, and Casa Grande
1253 AM MST Sat Aug 23 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SUNDAY...

* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to
  112. Major Heat Risk.

* WHERE...A portion of south central Arizona.

* WHEN...Until 8 PM MST Sunday.

* 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>544-546-548-550-551-232230-
/O.CON.KPSR.XH.W.0007.000000T0000Z-250825T0300Z/
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 Circle City, Sun City West, Liberty,
Chandler, Gilbert, Queen Creek, Avondale, Goodyear, Surprise,
Peoria, Paradise Valley, Tempe, Wittmann, Beardsley, Phoenix,
Mesa, Sun Lakes, and Cashion
1253 AM MST Sat Aug 23 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SUNDAY...

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

* 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. 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.

&&

$$