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Elev 50 ft, 33.66 °N, 117.91 °W

Costa Mesa, CA Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Costa Mesa, CA
Elevation: 50ft
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Active Weather Alerts

Extreme Heat Warning
Issued: 7:29 AM Oct. 1, 2026 – National Weather Service
...EXTREME HEAT WARNING IN EFFECT FROM 10 AM FRIDAY TO 8 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures ranging
from the mid 80s to around 90 near the coast to the lower to mid
90s near higher coastal terrain expected. Nights will be very warm
with low temperatures mostly in the lower to mid 70s.

* WHERE...Orange County Coastal Areas.

* WHEN...From 10 AM Friday to 8 PM PDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

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