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Elev 755 ft, 34.27 °N, 118.79 °W

Simi Valley, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Simi Valley, CA
Elevation: 755ft
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Active Weather Alerts

Red Flag Warning
Issued: 8:37 PM Oct. 27, 2025 – National Weather Service
...RED FLAG WARNING IN EFFECT FROM 6 AM TUESDAY TO 6 PM PDT
WEDNESDAY FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE
HUMIDITY FOR THE WESTERN SAN GABRIEL MOUNTAINS, SANTA
SUSANA MOUNTAINS, AND SOUTHEASTERN VENTURA COUNTY VALLEYS...

The National Weather Service in Los Angeles/Oxnard has issued a
Red Flag Warning for gusty Santa Ana winds and very low relative
humidity, which is in effect from 6 AM Tuesday to 6 PM PDT
Wednesday.

* WINDS...Northeast 15 to 30 mph with gusts 35 to 45 mph.
Strongest winds expected Tuesday and again late Tuesday night
into Wednesday morning.

* RELATIVE HUMIDITY...Minimum humidity falling to 8 to 15 percent
on Tuesday, then 5 to 10 percent on Wednesday. Very poor
recoveries expected Tuesday night with many wind prone areas
remaining in the 10 to 20 percent range.

* IMPACTS...If fire ignition occurs, conditions are favorable
for extreme fire behavior, rapid fire growth, and long range
spotting, which could threaten life and property.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are will likely occur shortly. Use extreme caution with anything
that can spark a wildfire. Residents near wildland interfaces
should be prepared to evacuate if a wildfire breaks out. See
readyforwildfire.org and wildfirerisk.org for information.

&&

Wind Advisory
Issued: 7:48 PM Oct. 27, 2025 – National Weather Service
...WIND ADVISORY IN EFFECT FROM 6 AM TO 4 PM PDT TUESDAY...
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY TO 7 PM PDT
WEDNESDAY...

* WHAT...For the Wind Advisory, northeast winds 15 to 25 mph with
gusts up to 35 mph expected. For the Heat Advisory, temperatures
up to the low 90s expected.

* WHERE...Central Ventura County Valleys, Southeastern Ventura
County Valleys, and Ventura County Inland Coast.

* WHEN...For the Wind Advisory, from 6 AM to 4 PM PDT Tuesday. For
the Heat Advisory, from 10 AM Tuesday to 7 PM PDT Wednesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
There is a high risk for heat illness for sensitive populations
including the very young, the very old, those without air
conditioning, and those active outdoors.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

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

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.

&&

Heat Advisory
Issued: 7:48 PM Oct. 27, 2025 – National Weather Service
...WIND ADVISORY IN EFFECT FROM 6 AM TO 4 PM PDT TUESDAY...
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY TO 7 PM PDT
WEDNESDAY...

* WHAT...For the Wind Advisory, northeast winds 15 to 25 mph with
gusts up to 35 mph expected. For the Heat Advisory, temperatures
up to the low 90s expected.

* WHERE...Central Ventura County Valleys, Southeastern Ventura
County Valleys, and Ventura County Inland Coast.

* WHEN...For the Wind Advisory, from 6 AM to 4 PM PDT Tuesday. For
the Heat Advisory, from 10 AM Tuesday to 7 PM PDT Wednesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
There is a high risk for heat illness for sensitive populations
including the very young, the very old, those without air
conditioning, and those active outdoors.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

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

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.

&&

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