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Extreme Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1233 PM MST Thu Oct 8 2026

AZZ530-536-CAZ569-570-090300-
/O.CON.KPSR.XH.W.0010.000000T0000Z-261009T0300Z/
Parker Valley-Gila River Valley-Palo Verde Valley-Chuckwalla
Valley-
Including the cities of Blythe, Ripley, Parker, Martinez Lake,
Ligurta, Palo Verde, Ehrenberg, and Midland
1233 PM MST Thu Oct 8 2026 /1233 PM PDT Thu Oct 8 2026/

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

* WHAT...Dangerously hot conditions possible. Afternoon temperatures
  102 to 106. Major Heat Risk.

* WHERE...In Arizona, Gila River Valley and Parker Valley. In
  California, Chuckwalla Valley and Palo Verde Valley.

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

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1233 PM MST Thu Oct 8 2026

AZZ532-091200-
/O.CON.KPSR.XH.W.0010.000000T0000Z-261010T0300Z/
Yuma-
Including the cities of Yuma and Fortuna Foothills
1233 PM MST Thu Oct 8 2026

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

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

* WHERE...Yuma 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.

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
1233 PM MST Thu Oct 8 2026

CAZ566-567-091200-
/O.CON.KPSR.XH.W.0010.000000T0000Z-261010T0300Z/
Imperial County West-Imperial Valley-
Including the cities of Winona, Ocotillo, Coyote Wells, Salton City,
Calexico, Alamorio, Coolidge Springs, Plaster City, Brawley, and El
Centro
1233 PM PDT Thu Oct 8 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...

* WHAT...Dangerously hot conditions possible. Afternoon temperatures
  104 to 109. Major Heat Risk.

* WHERE...Portions of Imperial County, including the Imperial Valley.

* WHEN...Until 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.

&&

$$

AR


Air Quality Alert


AZC013-090400-

Air Quality Alert
Relayed by National Weather Service Phoenix AZ
848 AM MST Thu Oct 8 2026

...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE
PHOENIX METRO AREA TODAY...

The Arizona Department of Environmental Quality (ADEQ) has issued an
Ozone High Pollution Advisory for the Phoenix Metro Area today
(Thursday).

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.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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