# HEADLINE
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EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM FRIDAY TO 8 PM PDT SUNDAY
# DETAILS
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WHAT
Dangerously hot conditions with high temperatures in the mid 90s in the western valleys to around 105 near the foothills expected.
WHERE
San Diego County Valleys.
WHEN
From 10 AM Friday to 8 PM PDT Sunday.
IMPACTS
Heat related illnesses increase significantly during extreme heat events.
ISSUED AT
Tuesday, July 28, 2026 at 3:03 PM PDT
ISSUED BY
National Weather Service San Diego CA
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
# AREAS AFFECTED
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San Diego County Valleys
Including the cities of Escondido, San Marcos, El Cajon, Poway, Santee, and La Mesa
