Los Angeles County, California
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Los Angeles County, California
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Excessive Heat Watch
CAZ040-041-044-046-548-220130-
/O.CON.KLOX.EH.A.0005.171023T1700Z-171025T0300Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Ventura County Interior Valleys-
Santa Monica Mountains Recreational Area-
Los Angeles County San Gabriel Valley-
Including the cities of Ventura, Oxnard, Camarillo, Malibu,
Santa Monica, Beverly Hills, Hollywood, Long Beach, Santa Paula,
Fillmore, Ojai, Piru, Pasadena, San Gabriel, and Pomona
1016 AM PDT Sat Oct 21 2017

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH TUESDAY EVENING...

* TEMPERATURES...100-106 degrees on Monday and Tuesday.
Overnight lows in the upper 60s and 70s. Isolated lower 80s
possible in the foothills and mountains.

* IMPACTS...The very high temperatures create a dangerous
situation in which heat illnesses are possible. Temperatures
inside vehicles, even if the windows are partially open, can
quickly rise to life-threatening levels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions Monday through Tuesday 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 light weight
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 911.

&&

$$
Excessive Heat Watch
CAZ045-088-547-220130-
/O.CON.KLOX.WI.Y.0066.000000T0000Z-171021T2100Z/
/O.CON.KLOX.EH.A.0005.171023T1700Z-171025T0300Z/
Ventura County Coastal Valleys-Santa Clarita Valley-
Los Angeles County San Fernando Valley-
Including the cities of Thousand Oaks, Simi Valley, Moorpark,
Newbury Park, Santa Clarita, Newhall, Valencia, Woodland Hills,
Northridge, Burbank, and Universal City
1016 AM PDT Sat Oct 21 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS
AFTERNOON...
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH TUESDAY EVENING...

* WINDS...North to northeast 15 to 25 mph with gusts to 40 mph
through early this afternoon. The strongest winds will occur
through Newhall Pass, Porter Ranch, and in the Moorpark area.

* TEMPERATURES...100-106 degrees on Monday and Tuesday.
Overnight lows in the upper 60s and 70s. Isolated lower 80s
possible in the foothills and mountains.

* IMPACTS...Gusty winds will make driving difficult, especially
for high profile vehicles. This includes Highways 118, 23, and
Interstate 5. The very high temperatures create a dangerous
situation in which heat illnesses are possible. Temperatures
inside vehicles, even if the windows are partially open, can
quickly rise to life- threatening levels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions Monday through Tuesday 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 light weight
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 911.

&&

$$

Fire Weather Warning
CAZ547-212315-
/O.UPG.KLOX.FW.A.0008.171022T1300Z-171025T0100Z/
/O.EXB.KLOX.FW.W.0008.171022T1300Z-171025T0100Z/
Los Angeles County San Fernando Valley-
1031 AM PDT Sat Oct 21 2017

...RED FLAG WARNING IN EFFECT FROM 6 AM SUNDAY TO 6 PM PDT TUESDAY
FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE
SAN FERNANDO VALLEY...

THE NATIONAL WEATHER SERVICE IN Los Angeles/Oxnard HAS ISSUED a
Red Flag Warning FOR GUSTY NORTH TO NORTHEAST WINDS AND LOW
RELATIVE HUMIDITY...WHICH IS IN EFFECT from Sunday morning through
Tuesday afternoon.

* Winds...Areas of north to northeast winds 15 to 25 mph with
gusts to 35 mph on Sunday...increasing to 15 to 30 mph with
gusts 35 to 45 mph Monday through Tuesday. Strongest winds
western and northern portions.

* Relative Humidity...Minimum values 8 to 15 percent on Sunday,
lowering to between 5 and 12 percent Monday through Tuesday.
Very poor humidity recoveries expected each night in the
foothills and wind prone areas.

* Temperatures...Max temperatures 90 to 98 degrees on Sunday,
rising to between 95 and 103 degrees Monday into Tuesday. Very
warm overnight low temperatures in the foothills and wind prone
areas...remaining 75 to 80 degrees in warmest locations.

* Impacts...If fire ignition occurs, there will be the potential
for very rapid spread of wildfire with long range spotting and
extreme fire behavior that could lead to a threat to life and
property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected. A combination of gusty winds...low relative
humidity...and hot temperatures can contribute to extreme fire
behavior. Use extreme caution when using potential fire ignition
sources.


&&

$$

Fire Weather Warning
CAZ548-212315-
/O.UPG.KLOX.FW.A.0008.171022T1300Z-171025T0100Z/
/O.EXB.KLOX.FW.W.0008.171022T1300Z-171025T0100Z/
Los Angeles County San Gabriel Valley-
1031 AM PDT Sat Oct 21 2017

...RED FLAG WARNING IN EFFECT FROM 6 AM SUNDAY TO 6 PM PDT TUESDAY
FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE
FOOTHILLS OF THE SAN GABRIEL VALLEY...

THE NATIONAL WEATHER SERVICE IN Los Angeles/Oxnard HAS ISSUED a
Red Flag Warning FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE
HUMIDITY...WHICH IS IN EFFECT from Sunday morning through Tuesday
afternoon.

* Winds...Northeast winds 10 to 20 mph with gusts to 30 mph in
the foothills on Sunday, increasing to 15 to 25 mph with gusts
to 40 mph Monday through Tuesday.

* Relative Humidity...Minimum values 8 to 15 percent on Sunday,
lowering to 5 to 10 percent Monday and Tuesday.

* Temperatures...Max temperatures 90 to 97 degrees on Sunday,
rising to between 98 and 105 degrees Monday into Tuesday. Very
warm overnight low temperatures in the foothills and wind prone
areas...remaining 75 to 80 degrees in warmest locations.

* Impacts...If fire ignition occurs, there will be the potential
for very rapid spread of wildfire with long range spotting and
extreme fire behavior that could lead to a threat to life and
property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected. A combination of gusty winds...very low relative
humidity...and warm temperatures can contribute to extreme fire
behavior. Use extreme caution when using potential fire ignition
sources.

&&

$$

Fire Weather Warning
CAZ240-241-212315-
/O.UPG.KLOX.FW.A.0008.171022T1300Z-171025T0100Z/
/O.EXB.KLOX.FW.W.0008.171022T1300Z-171025T0100Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
1031 AM PDT Sat Oct 21 2017

...RED FLAG WARNING IN EFFECT FROM 6 AM SUNDAY TO 6 PM PDT TUESDAY
FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE
VENTURA COUNTY COAST AND LOS ANGELES COUNTY COAST FROM MALIBU TO
HOLLYWOOD HILLS...

THE NATIONAL WEATHER SERVICE IN Los Angeles/Oxnard HAS ISSUED a
Red Flag Warning FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE
HUMIDITY...WHICH IS IN EFFECT from Sunday morning through Tuesday
afternoon.

* Winds...Northeast winds 10 to 20 mph with gusts to 30 mph on
Sunday from the Ventura County Coast extending eastward to
Malibu and Hollywood Hills. Winds increasing to 15 to 30 mph
with gusts to 40 mph Monday through Tuesday.

* Relative Humidity...Minimum values 8 to 18 percent Sunday,
lowering to between 5 and 12 percent Monday through Tuesday.
Very poor humidity recoveries expected each night in the
foothills and wind prone areas.

* Temperatures...Max temperatures 84 to 94 degrees on Sunday,
rising to between 95 and 103 degrees Monday into Tuesday. Very
warm overnight low temperatures in the foothills and wind prone
areas...remaining in the 70s in warmest locations.

* Impacts...If fire ignition occurs, there will be the potential
for very rapid spread of wildfire with long range spotting and
extreme fire behavior that could lead to a threat to life and
property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected. A combination of gusty winds...very low relative
humidity...and warm temperatures can contribute to extreme fire
behavior. Use extreme caution when using potential fire ignition
sources.

&&

$$

Fire Weather Warning
CAZ244>246-212315-
/O.UPG.KLOX.FW.A.0008.171022T1300Z-171025T0100Z/
/O.EXB.KLOX.FW.W.0008.171022T1300Z-171025T0100Z/
Ventura County Interior Valleys-Ventura County Coastal Valleys-
Santa Monica Mountains Recreational Area-
1031 AM PDT Sat Oct 21 2017

...RED FLAG WARNING IN EFFECT FROM 6 AM SUNDAY TO 6 PM PDT TUESDAY
FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE
VENTURA COUNTY VALLEYS AND SANTA MONICA MOUNTAINS...

THE NATIONAL WEATHER SERVICE IN Los Angeles/Oxnard HAS ISSUED a
Red Flag Warning FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE
HUMIDITY...WHICH IS IN EFFECT from Sunday morning through Tuesday
afternoon.

* Winds...Areas of north to northeast winds 15 to 25 mph with
gusts 30 to 40 mph on Sunday...increasing to 15 to 30 mph with
gusts 35 to 45 mph Monday through Tuesday. Isolated gusts to 45
mph Sunday across the western portions of the Santa Monicas and
eastern foothills of Ventura County...increasing to 50 mph on
Monday and Tuesday.

* Relative Humidity...Minimum values 8 to 15 percent on Sunday,
lowering to between 5 and 12 percent Monday through Tuesday.
Very poor humidity recoveries expected each night in the
foothills and wind prone areas.

* Temperatures...Max temperatures 88 to 96 degrees on Sunday,
rising to between 95 and 102 degrees Monday into Tuesday. Very
warm overnight low temperatures in the foothills and wind prone
areas...remaining 75 to 80 degrees in warmest locations.

* Impacts...If fire ignition occurs, there will be the potential
for very rapid spread of wildfire with long range spotting and
extreme fire behavior that could lead to a threat to life and
property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected. A combination of gusty winds...low relative
humidity...and hot temperatures can contribute to extreme fire
behavior. Use extreme caution when using potential fire ignition
sources.

&&

$$

Fire Weather Warning
CAZ288-212315-
/O.CON.KLOX.FW.W.0008.000000T0000Z-171025T0100Z/
Santa Clarita Valley-
1031 AM PDT Sat Oct 21 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY FOR
GUSTY NORTH TO NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE
SANTA CLARITA VALLEY...

* Winds...North to northeast winds 15 to 25 mph with gusts 30 to
40 mph today...increasing to 15 to 30 mph with gusts 35 to 45
mph Monday through Tuesday.

* Relative Humidity...Minimum values 10 to 15 percent through
Sunday, lowering to between 8 and 12 percent Monday through
Tuesday. Very poor humidity recoveries expected each night in
the foothills and wind prone areas.

* Temperatures...Max temperatures around 80 degrees today, rising
into the lower 90s Sunday through Tuesday. Very warm overnight
low temperatures in the foothills and wind prone areas.

* Impacts...If fire ignition occurs, there will be the potential
for very rapid spread of wildfire with long range spotting and
extreme fire behavior that could lead to a threat to life and
property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected. A combination of gusty winds...very low relative
humidity...and hot temperatures can contribute to extreme fire
behavior. Use extreme caution when using potential fire ignition
sources.

&&

$$

Fire Weather Warning
CAZ253-254-212315-
/O.CON.KLOX.FW.W.0008.000000T0000Z-171025T0100Z/
Ventura County Mountains / Los Padres National Forest-
Los Angeles County Mountains / Angeles National Forest-
1031 AM PDT Sat Oct 21 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY
FOR GUSTY NORTH TO NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR
THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES...

* Winds...Areas of north to northeast winds 15 to 30 mph with
gusts 35 to 45 mph through Sunday...except isolated gusts to
around 50 mph near Whitaker Peak. For Monday through
Tuesday...northeast winds 20 to 35 mph with gusts 40 to 50 mph
through passes and canyons...except isolated gusts to 55 mph on
Tuesday in wind favored locations.

* Relative Humidity...Minimum values 12 to 20 percent today,
lowering to between 8 and 15 percent Sunday through Tuesday.
Very poor humidity recoveries expected each night.

* Temperatures...Rising into the 70s across the lower elevations
Today...80s on Sunday through Tuesday. Very warm overnight lows
in the foothills.

* Impacts...If fire ignition occurs, there will be the potential
for very rapid spread of wildfire with long range spotting and
extreme fire behavior that could lead to a threat to life and
property.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are expected. A combination of gusty winds...very low relative
humidity...and hot temperatures can contribute to extreme fire
behavior. Use extreme caution when using potential fire ignition
sources.

&&

$$

Wind Advisory
CAZ053-054-212100-
/O.CON.KLOX.WI.Y.0066.000000T0000Z-171021T2100Z/
Ventura County Mountains-
Los Angeles County Mountains excluding the Santa Monica Range-
Including the cities of Lockwood Valley, Mount Pinos, Acton,
Mount Wilson, and Sandberg
1016 AM PDT Sat Oct 21 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS
AFTERNOON...

* WINDS...Areas of northwest to north winds 20 to 30 mph with
gusts to 50 mph.

* IMPACTS...Gusty winds will make driving difficult, especially
for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

When driving, use extra caution. Be prepared for sudden gusty
cross winds.

&&

$$

Wind Advisory
CAZ045-088-547-220130-
/O.CON.KLOX.WI.Y.0066.000000T0000Z-171021T2100Z/
/O.CON.KLOX.EH.A.0005.171023T1700Z-171025T0300Z/
Ventura County Coastal Valleys-Santa Clarita Valley-
Los Angeles County San Fernando Valley-
Including the cities of Thousand Oaks, Simi Valley, Moorpark,
Newbury Park, Santa Clarita, Newhall, Valencia, Woodland Hills,
Northridge, Burbank, and Universal City
1016 AM PDT Sat Oct 21 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS
AFTERNOON...
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH TUESDAY EVENING...

* WINDS...North to northeast 15 to 25 mph with gusts to 40 mph
through early this afternoon. The strongest winds will occur
through Newhall Pass, Porter Ranch, and in the Moorpark area.

* TEMPERATURES...100-106 degrees on Monday and Tuesday.
Overnight lows in the upper 60s and 70s. Isolated lower 80s
possible in the foothills and mountains.

* IMPACTS...Gusty winds will make driving difficult, especially
for high profile vehicles. This includes Highways 118, 23, and
Interstate 5. The very high temperatures create a dangerous
situation in which heat illnesses are possible. Temperatures
inside vehicles, even if the windows are partially open, can
quickly rise to life- threatening levels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions Monday through Tuesday 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 light weight
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 911.

&&

$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
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