Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1147 AM MST Mon Aug 17 2026
AZZ530>533-535-536-CAZ562-565>567-569-570-181000-
/O.CON.KPSR.XH.W.0008.000000T0000Z-260822T0300Z/
Parker Valley-Kofa-Yuma-Central La Paz-Southeast Yuma County-Gila
River Valley-Imperial County Southwest-Imperial County Southeast-
Imperial County West-Imperial Valley-Palo Verde Valley-Chuckwalla
Valley-
Including the cities of Yuma, Winona, Brenda, Ocotillo, Ehrenberg,
Calexico, Alamorio, Salome, Winterhaven, Mountain Spring, Palo Verde,
Coyote Wells, Midland, Palm Canyon, Vicksburg Junction, Coolidge
Springs, Parker, Martinez Lake, Quartzsite, Vicksburg, Ligurta, El
Centro, Salton City, Harcuvar, Blythe, Brawley, Ripley, Plaster City,
and Fortuna Foothills
1147 AM MST Mon Aug 17 2026 /1147 AM PDT Mon Aug 17 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
FRIDAY...
* WHAT...Dangerously hot and humid conditions. Afternoon temperatures
106 to 114 expected. Major Heat Risk.
* WHERE...Portions of southwest Arizona and southeast California.
* WHEN...Until 8 PM MST /8 PM PDT/ Friday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1147 AM MST Mon Aug 17 2026
AZZ534-538-539-541-549-553>555-559-181000-
/O.CON.KPSR.XH.W.0008.000000T0000Z-260822T0300Z/
Aguila Valley-Tonopah Desert-Gila Bend-Cave Creek/New River-
Fountain Hills/East Mesa-Northwest Pinal County-West Pinal County-
Apache Junction/Gold Canyon-Sonoran Desert Natl Monument-
Including the cities of Wickenburg, Fountain Hills, Arlington,
Coolidge, Gladden, Casa Grande, Cactus Forest, Apache Junction, Kaka,
Aguila, Florence, Tonopah, Wintersburg, Hassayampa, Scottsdale,
Sentinel, and Gila Bend
1147 AM MST Mon Aug 17 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST FRIDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to
113 expected. Major Heat Risk.
* WHERE...Aguila Valley, Apache Junction/Gold Canyon, Cave Creek/New
River, Fountain Hills/East Mesa, Gila Bend, Northwest Pinal County,
Sonoran Desert Natl Monument, and Tonopah Desert.
* WHEN...Until 8 PM MST Friday.
* 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.
https://www.maricopa.gov/heat
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1147 AM MST Mon Aug 17 2026
AZZ537-540-542>544-546-548-550-551-181000-
/O.CON.KPSR.XH.W.0008.000000T0000Z-260822T0300Z/
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 Beardsley, Tempe, Circle City, Liberty,
Paradise Valley, Mesa, Gilbert, Phoenix, Sun City West, Queen Creek,
Wittmann, Avondale, Goodyear, Surprise, Peoria, Chandler, Cashion,
and Sun Lakes
1147 AM MST Mon Aug 17 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST FRIDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 108 to
112 expected. Major Heat Risk.
* WHERE...The Phoenix metropolitan area.
* WHEN...Until 8 PM MST Friday.
* 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.
https://www.maricopa.gov/heat
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1147 AM MST Mon Aug 17 2026
AZZ560-181000-
/O.CON.KPSR.XH.W.0008.260818T1700Z-260822T0300Z/
San Carlos-
Including the cities of San Carlos and Peridot
1147 AM MST Mon Aug 17 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO 8 PM
MST FRIDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 102 to
109 expected. Major Heat Risk.
* WHERE...San Carlos.
* WHEN...From 10 AM Tuesday to 8 PM MST Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
An Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will occur. Actions should be taken to
lessen the impact of the extreme heat.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible and
drink plenty of water.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Public cooling shelters are available in some areas. Consult county
officials for more details.
&&
$$
MS
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
1144 AM MST Mon Aug 17 2026
AZZ501-502-504>506-509-181200-
/O.CON.KTWC.XH.W.0006.000000T0000Z-260822T0300Z/
Western Pima County-Tohono O`odham Nation-Tucson Metro Area-South
Central Pinal County-Southeast Pinal County-Upper Gila River
Valley-
Including the cities of Mammoth, Tucson, Vail, Ajo, Safford,
Sells, Organ Pipe Cactus N.M., Picacho Peak State Park, Green
Valley, Oracle, Clifton, and Marana
1144 AM MST Mon Aug 17 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST FRIDAY...
* WHAT...Dangerously hot conditions with high temperatures ranging
between 103 to 110 degrees and low temperatures 79 to 85 degrees.
Major HeatRisk is expected.
* WHERE...Pinal County, Tohono O`odham Nation, Tucson Metro Area,
Upper Gila River Valley, and Western Pima County.
* WHEN...Until 8 PM MST Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
EDWARDS
Flood Advisory
Flood Advisory
National Weather Service Albuquerque NM
1252 PM MDT Mon Aug 17 2026
NMC003-172145-
/O.NEW.KABQ.FA.Y.0170.260817T1852Z-260817T2145Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Catron NM-
1252 PM MDT Mon Aug 17 2026
...FLOOD ADVISORY IN EFFECT UNTIL 345 PM MDT THIS AFTERNOON...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...Northeastern Catron County in west central New Mexico...
* WHEN...Until 345 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 1251 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding. Between 1
and 1.25 inches of rain have fallen.
- Additional rainfall amounts of 0.5 to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Mainly rural areas of Northeastern Catron County.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3437 10806 3436 10780 3425 10777 3421 10797
3415 10801 3425 10809
$$
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