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Elev 581 ft, 33.6 °N, 117.66 °W

Mission Viejo, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Mission Viejo, CA
Elevation: 581ft
Nearby Weather Stations

Active Weather Alerts

Extreme Heat Warning
Issued: 2:01 PM Sep. 8, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM PDT
THURSDAY...

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with high temperatures in the 90s with low temperatures in the 70s
expected. For the Heat Advisory, high temperatures in the upper 80s
to mid 90s expected.

* WHERE...Orange County Inland Areas.

* WHEN...For the Extreme Heat Warning, until 8 PM PDT Wednesday. For
the Heat Advisory, from 8 PM Wednesday to 8 PM PDT Thursday.

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

* ADDITIONAL DETAILS...Major HeatRisk. Warm overnight temperatures
will limit relief from the heat.

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.

&&

Heat Advisory
Issued: 2:01 PM Sep. 8, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM PDT
THURSDAY...

* WHAT...For the Extreme Heat Warning, dangerously hot conditions
with high temperatures in the 90s with low temperatures in the 70s
expected. For the Heat Advisory, high temperatures in the upper 80s
to mid 90s expected.

* WHERE...Orange County Inland Areas.

* WHEN...For the Extreme Heat Warning, until 8 PM PDT Wednesday. For
the Heat Advisory, from 8 PM Wednesday to 8 PM PDT Thursday.

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

* ADDITIONAL DETAILS...Major HeatRisk. Warm overnight temperatures
will limit relief from the heat.

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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