Flash Flood Warning
Flash Flood Statement
National Weather Service Tucson AZ
933 PM MST Sun Aug 23 2026
AZC019-021-240615-
/O.CON.KTWC.FF.W.0151.000000T0000Z-260824T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pima AZ-Pinal AZ-
933 PM MST Sun Aug 23 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM MST THIS
EVENING FOR NORTH CENTRAL PIMA AND SOUTHWESTERN PINAL COUNTIES...
At 933 PM MST, Doppler radar indicated thunderstorms earlier this
evening had produced between 2 and 3 inches of heavy rain along and
east of Route 15 near North Komelik. Thunderstorms south of the area
are expected to track through the impacted area with additional
rainfall amounts of 0.25 to 0.75 inches possible. Flash flooding is
ongoing, especially in normally dry washes and low-lying areas that
eventually drain into Santa Rosa Wash near North Komelik.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of creeks and streams, urban
areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
North Komelik.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3251 11196 3254 11196 3254 11189 3251 11186
3246 11188 3246 11196
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
CWR
Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
1145 AM MST Sun Aug 23 2026
AZZ501-502-504>506-509-241200-
/O.CON.KTWC.XH.W.0006.000000T0000Z-260830T0300Z/
Western Pima County-Tohono O`odham Nation-Tucson Metro Area-South
Central Pinal County-Southeast Pinal County-Upper Gila River
Valley-
Including the cities of Mammoth, Clifton, Ajo, Safford, Organ
Pipe Cactus N.M., Oracle, Marana, Picacho Peak State Park, Green
Valley, Sells, Tucson, and Vail
1145 AM MST Sun Aug 23 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY...
* WHAT...Dangerously hot conditions with high temperatures ranging
between 103 to 111 degrees and low temperatures 79 to 85 degrees.
Major HeatRisk is expected through Tuesday and then widespread
Major to Extreme HeatRisk Wednesday through Saturday.
* WHERE...Pinal County, Tohono O`odham Nation, Tucson Metro Area,
Upper Gila River Valley, and Western Pima County.
* WHEN...Until 8 PM MST Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible and
drink plenty of water.
&&
$$
JRM
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
1145 AM MST Sun Aug 23 2026
AZZ503-507-508-241200-
/O.EXB.KTWC.XH.W.0006.260825T1700Z-260830T0300Z/
Upper Santa Cruz River Valley/Altar Valley-Upper San Pedro River
Valley-Eastern Cochise County below 5000 feet-
Including the cities of Sierra Vista, Willcox, Douglas, Benson, and
Nogales
1145 AM MST Sun Aug 23 2026
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM TUESDAY TO 8 PM MST
SATURDAY...
* WHAT...Dangerously hot conditions with temperatures 98 to 104
degrees expected. Overnight lows 71 to 78 degrees. Major HeatRisk
is expected Tuesday through Saturday with isolated Extreme
HeatRisk.
* WHERE...Eastern Cochise County below 5000 feet, Upper San Pedro
River Valley, and Upper Santa Cruz River Valley/Altar Valley.
* WHEN...From 10 AM Tuesday to 8 PM MST Saturday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1023 AM MST Sun Aug 23 2026
AZZ530>533-535-536-CAZ562-565>567-569-570-241000-
/O.CON.KPSR.XH.W.0008.000000T0000Z-260830T0300Z/
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 Quartzsite, Winona, Vicksburg Junction,
Ocotillo, Brenda, Palo Verde, Winterhaven, Calexico, Mountain Spring,
Ehrenberg, Fortuna Foothills, Vicksburg, Coyote Wells, Martinez Lake,
Alamorio, Salome, El Centro, Harcuvar, Coolidge Springs, Midland,
Brawley, Salton City, Plaster City, Palm Canyon, Ligurta, Blythe,
Ripley, Parker, and Yuma
1023 AM MST Sun Aug 23 2026 /1023 AM PDT Sun Aug 23 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/
SATURDAY...
* WHAT...Dangerously hot and humid conditions. Afternoon temperatures
106 to 118 expected. Major to Extreme Heat Risk.
* WHERE...Portions of southwest Arizona and southeast California.
* WHEN...Until 8 PM MST /8 PM PDT/ Saturday.
* 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
1023 AM MST Sun Aug 23 2026
AZZ534-538-539-541-545-547-549-552>555-559-241000-
/O.CON.KPSR.XH.W.0008.000000T0000Z-260830T0300Z/
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 Gladden, Sentinel, Tonopah, Kaka,
Wintersburg, Fountain Hills, Scottsdale, Superior, Tortilla Flat,
Arlington, Hassayampa, Wickenburg, Aguila, Apache Junction, Coolidge,
Casa Grande, Florence, Cactus Forest, and Gila Bend
1023 AM MST Sun Aug 23 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to
116 expected. Major to Extreme 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, Tonopah Desert, New River Mesa, Rio
Verde/Salt River, and Superior.
* WHEN...Until 8 PM MST Saturday.
* 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
1023 AM MST Sun Aug 23 2026
AZZ537-540-542>544-546-548-550-551-241000-
/O.CON.KPSR.XH.W.0008.000000T0000Z-260830T0300Z/
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, Surprise, Sun City West,
Paradise Valley, Wittmann, Mesa, Chandler, Sun Lakes, Goodyear,
Avondale, Tempe, Beardsley, Peoria, Gilbert, Phoenix, Cashion, Queen
Creek, and Liberty
1023 AM MST Sun Aug 23 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to
115 expected. Major to Extreme Heat Risk.
* WHERE...The Phoenix metropolitan area.
* WHEN...Until 8 PM MST Saturday.
* 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
1023 AM MST Sun Aug 23 2026
AZZ560-241000-
/O.CON.KPSR.XH.W.0008.000000T0000Z-260830T0300Z/
San Carlos-
Including the cities of San Carlos and Peridot
1023 AM MST Sun Aug 23 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SATURDAY...
* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to
113 expected. Major to Extreme Heat Risk.
* WHERE...San Carlos.
* WHEN...Until 8 PM MST Saturday.
* 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.
&&
$$
SB
Dust Advisory
DUST ADVISORY
NWS PHOENIX AZ
1033 PM MST SUN AUG 23 2026
AZC013-240600-
/O.CON.KPSR.DS.Y.0043.000000T0000Z-260824T0600Z/
1033 PM MST SUN AUG 23 2026
Maricopa County-
...A DUST ADVISORY REMAINS IN EFFECT UNTIL 1100 PM MST FOR MARICOPA
COUNTY...
At 1033 PM MST, a wall of dust was along a line extending from near
Tonopah to 8 miles southwest of Wittmann to Circle City to near
Humbug Bay, and is moving at 20 mph.
HAZARD...Less than a mile visibility with strong wind in excess of
40 mph.
SOURCE...Doppler radar.
IMPACT...Hazardous travel.
This includes US Highway 60 between mile markers 80 and 116.
Locations impacted include...
Wickenburg and Aguila.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Blowing dust brings reduced visibility, leading to dangerous driving
conditions. If driving, avoid blowing dust if possible. If caught in
dense blowing dust, pull off the road, turn off your lights and keep
your foot off the brake.
Motorists should not drive into an area of blowing dust. PULL ASIDE
STAY ALIVE!
LAT...LON 3399 11272 3398 11266 3396 11258 3389 11271
3363 11294 3400 11333 3401 11313 3400 11273
3399 11272
$$
Special Weather Statement
Special Weather Statement
National Weather Service Phoenix AZ
1047 PM MST Sun Aug 23 2026
AZZ534-537-240600-
Aguila Valley AZ-Northwest Valley AZ-
1047 PM MST Sun Aug 23 2026
...A STRONG THUNDERSTORM WILL IMPACT MARICOPA COUNTY THROUGH 1100 PM
MST...
At 1046 PM MST, Doppler radar was tracking a strong thunderstorm over
Wickenburg, moving north at 15 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Wickenburg and Morristown.
This includes the following highways...
US Highway 60 between mile markers 105 and 122.
AZ Route 74 near mile marker 1.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3398 11269 3396 11261 3396 11257 3380 11262
3383 11283 3400 11282 3400 11273
TIME...MOT...LOC 0546Z 188DEG 28KT 3396 11271
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
AR
Air Quality Alert
AZC013-250400-
Air Quality Alert
Relayed by National Weather Service Phoenix AZ
745 AM MST Sun Aug 23 2026
...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE
PHOENIX METRO AREA THROUGH MONDAY...
The Arizona Department of Environmental Quality (ADEQ) has issued an
Ozone High Pollution Advisory for the Phoenix Metro Area through
Monday.
This means that forecast weather conditions combined with existing
ozone levels are expected to result in local maximum 8-hour ozone
concentrations that pose a health risk. Adverse health effects
increase as air quality deteriorates.
Ozone is an air contaminant which can cause breathing difficulties
for children, older adults, as well as persons with respiratory
problems. A decrease in physical activity is recommended.
You are urged to car pool, telecommute or use mass transit.
The use of gasoline-powered equipment should be reduced or done late
in the day.
For details on this High Pollution Advisory, visit the ADEQ internet
site at www.azdeq.gov/forecast/phoenix or call 602-771-2300.
$$
