Extreme Heat Watch
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
105 AM MST Sat Aug 2 2025
AZZ545-556>558-560>563-022315-
/O.CON.KPSR.XH.A.0004.250805T1700Z-250809T0300Z/
New River Mesa-Tonto Basin-Mazatzal Mountains-Pinal/Superstition
Mountains-San Carlos-Dripping Springs-Globe/Miami-Southeast Gila
County-
Including the cities of San Carlos, Winkelman, Hayden, Peridot,
Globe, Miami, Punkin Center, and Sunflower
105 AM MST Sat Aug 2 2025
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...Dangerously hot conditions possible. Afternoon temperatures
97 to 113. Extreme Heat Risk.
* WHERE...Dripping Springs, Globe/Miami, Mazatzal Mountains, New
River Mesa, Pinal/Superstition Mountains, San Carlos, Southeast
Gila County, and Tonto Basin.
* WHEN...From Tuesday morning through Friday evening.
* 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 Watch means that a period of very hot temperatures,
even by local standards, may 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
105 AM MST Sat Aug 2 2025
AZZ534-538-539-541-549-552>555-559-022315-
/O.CON.KPSR.XH.W.0005.000000T0000Z-250803T0300Z/
/O.CON.KPSR.XH.A.0004.250805T1700Z-250809T0300Z/
Aguila Valley-Tonopah Desert-Gila Bend-Cave Creek/New River-
Fountain Hills/East Mesa-Superior-Northwest Pinal County-West
Pinal County-Apache Junction/Gold Canyon-Sonoran Desert Natl
Monument-
Including the cities of Wintersburg, Wickenburg, Scottsdale,
Cactus Forest, Hassayampa, Gila Bend, Florence, Coolidge, Apache
Junction, Sentinel, Tonopah, Fountain Hills, Superior, Gladden,
Casa Grande, Kaka, Arlington, and Aguila
105 AM MST Sat Aug 2 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions.
Afternoon temperatures 108 to 114. Major Heat Risk. For the
Extreme Heat Watch, dangerously hot conditions possible. Afternoon
temperatures 108 to 118. Extreme Heat Risk.
* WHERE...Sonoran Desert National Monument, Aguila Valley, Tonopah
Desert, Gila Bend, Cave Creek/New River, Fountain Hills/East Mesa,
Superior, Northwest Pinal County, West Pinal County, and Apache
Junction/Gold Canyon.
* WHEN...For the Extreme Heat Warning, until 8 PM MST this evening.
For the Extreme Heat Watch, from Tuesday morning through Friday
evening.
* 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.
An Extreme Heat Watch means that a period of very hot temperatures,
even by local standards, may occur. Actions should be taken to
lessen the impact of the extreme heat.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
105 AM MST Sat Aug 2 2025
AZZ537-540-542>544-546-548-550-551-022315-
/O.CON.KPSR.XH.W.0005.000000T0000Z-250803T0300Z/
/O.CON.KPSR.XH.A.0004.250805T1700Z-250809T0300Z/
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 Peoria, Beardsley, Sun Lakes, Sun City
West, Gilbert, Goodyear, Paradise Valley, Liberty, Avondale,
Phoenix, Chandler, Tempe, Surprise, Circle City, Queen Creek,
Wittmann, Cashion, and Mesa
105 AM MST Sat Aug 2 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions.
Afternoon temperatures 110 to 114. Major Heat Risk. For the
Extreme Heat Watch, dangerously hot conditions possible. Afternoon
temperatures 110 to 118. Extreme 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...For the Extreme Heat Warning, until 8 PM MST this evening.
For the Extreme Heat Watch, from Tuesday morning through Friday
evening.
* 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.
An Extreme Heat Watch means that a period of very hot temperatures,
even by local standards, may occur. Actions should be taken to
lessen the impact of the extreme heat.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
105 AM MST Sat Aug 2 2025
AZZ547-022315-
/O.CON.KPSR.XH.A.0004.250805T1700Z-250809T0300Z/
Rio Verde/Salt River-
Including the cities of Tortilla Flat
105 AM MST Sat Aug 2 2025
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
FRIDAY EVENING...
* WHAT...Dangerously hot conditions possible. Afternoon temperatures
106 to 117. Major Heat Risk.
* WHERE...Rio Verde/Salt River.
* WHEN...From Tuesday morning through Friday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
* ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free
cooling center, transportation, water, and more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
An Extreme Heat Watch means that a period of very hot temperatures,
even by local standards, may occur. Actions should be taken to
lessen the impact of the extreme heat.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible
and drink plenty of water.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Public cooling shelters are available in some areas. Consult county
officials for more details.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
105 AM MST Sat Aug 2 2025
AZZ530>533-535-536-CAZ560>570-022315-
/O.CON.KPSR.XH.A.0004.250806T1700Z-250809T0300Z/
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 Vicksburg, Ligurta, Plaster City, Palo
Verde, Midland, Calexico, Brenda, Winterhaven, Martinez Lake,
Salton City, Salome, Cottonwood Visitor, Fortuna Foothills,
Chiriaco Summit, Coyote Wells, Ocotillo, Blythe, Ehrenberg,
Imperial Hot Mineral Springs, Parker, Harcuvar, Alamorio, Yuma,
Lost Horse-Keys Village, Winona, Coolidge Springs, Vicksburg
Junction, Desert Shores, Palm Canyon, El Centro, Ripley, Brawley,
Mountain Spring, and Quartzsite
105 AM MST Sat Aug 2 2025 /105 AM PDT Sat Aug 2 2025/
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH FRIDAY EVENING...
* WHAT...Dangerously hot conditions possible. Afternoon temperatures
108 to 118. Major Heat Risk.
* WHERE...Portions of southwest Arizona and southeast and southern
California.
* WHEN...From Wednesday morning through Friday evening.
* 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 Watch means that a period of very hot temperatures,
even by local standards, may 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.
&&
$$
INS
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
111 AM MST Sat Aug 2 2025
AZZ501>507-509-515-022215-
/O.CON.KTWC.XH.W.0005.000000T0000Z-250806T0300Z/
/O.CON.KTWC.XH.A.0005.250806T1700Z-250809T0300Z/
Western Pima County-Tohono O`odham Nation-Upper Santa Cruz River
Valley/Altar Valley-Tucson Metro Area-South Central Pinal County-
Southeast Pinal County-Upper San Pedro River Valley-Upper Gila
River Valley-Baboquivari Mountains-
Including the cities of Marana, Sierra Vista, Sells, Nogales,
Clifton, Benson, Green Valley, Picacho Peak State Park, Mammoth,
Oracle, Safford, Kitt Peak, Tucson, Vail, Organ Pipe Cactus N.M.,
and Ajo
111 AM MST Sat Aug 2 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST TUESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH FRIDAY EVENING...
* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with temperatures up to 110. For the Extreme Heat Watch,
dangerously hot conditions with temperatures up to 115 possible,
especially across portions of Pima county and south-central Pinal
county.
* WHERE...South Central Pinal County, Southeast Pinal County, Tohono
O`odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper
San Pedro River Valley, Upper Santa Cruz River Valley/Altar
Valley, and Western Pima County.
* WHEN...For the Extreme Heat Warning, until 8 PM MST Tuesday. For
the Extreme Heat Watch, from Wednesday morning through Friday
evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
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.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
111 AM MST Sat Aug 2 2025
AZZ508-022215-
/O.CON.KTWC.XH.A.0005.250806T1700Z-250809T0300Z/
Eastern Cochise County below 5000 feet-
Including the cities of Douglas and Willcox
111 AM MST Sat Aug 2 2025
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH FRIDAY EVENING...
* WHAT...Dangerously hot conditions with temperatures up to 104
possible.
* WHERE...Eastern Cochise County below 5000 feet.
* WHEN...From Wednesday morning through Friday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
GEL