# HEADLINE
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EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8 PM MST SUNDAY
# DETAILS
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WHAT
Dangerously hot conditions. Afternoon temperatures 109 to 118 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, and West Pinal County.
WHEN
From 10 AM Thursday to 8 PM MST Sunday.
IMPACTS
Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death.
ISSUED AT
Wednesday, July 29, 2026 at 12:38 PM MST
ISSUED BY
National Weather Service Phoenix AZ
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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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.
# AREAS AFFECTED
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Apache Junction/Gold Canyon, Fountain Hills/East Mesa, Aguila Valley, Cave Creek/New River, Gila Bend, Northwest Pinal County, Sonoran Desert Natl Monument, Tonopah Desert, West Pinal County
Including the cities of Kaka, Wintersburg, Wickenburg, Scottsdale, Casa Grande, Tonopah, Apache Junction, Cactus Forest, Gladden, Fountain Hills, Florence, Arlington, Gila Bend, Coolidge, Sentinel, Aguila, and Hassayampa