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33.45 °N, 112.05 °W

Phoenix, AZ Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Phoenix, AZ
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Active Weather Alerts

Severe Thunderstorm Watch
Issued: 2:33 AM Aug. 20, 2026 – National Weather Service
AZ
.    ARIZONA COUNTIES INCLUDED ARE

COCHISE              GILA                GRAHAM
MARICOPA             PIMA                PINAL
SANTA CRUZ
Extreme Heat Warning
Issued: 5:49 PM Aug. 19, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST SUNDAY...

* WHAT...Dangerously hot conditions. Afternoon temperatures 108 to
111. Major Heat Risk. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.

* WHERE...Central Phoenix, Deer Valley, East Valley, North
Phoenix/Glendale, Northwest Valley, and Scottsdale/Paradise Valley.

* WHEN...Until 8 PM MST Sunday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

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.

&&

Air Quality Alert
Issued: 4:45 PM Aug. 19, 2026 – National Weather Service
...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE
PHOENIX METRO AREA TODAY AND THURSDAY...

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

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