989
WWUS86 KLOX 242046
RFWLOX
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
146 PM PDT MON AUG 24 2026
...RED FLAG WARNING IN EFFECT 10 AM TUESDAY TO 3 PM FRIDAY FOR
MANY INTERIOR PORTIONS OF SOUTHWEST CALIFORNIA DUE TO EXTREME HEAT
AND INSTABILITY ALONG WITH LOCALLY GUSTY WINDS AND LOW
HUMIDITIES...
.A VERY HOT AND UNSTABLE AIR MASS COMBINED WITH LOCALLY GUSTY
WINDS AND LOW HUMIDITIES WILL BRING A SIGNIFICANT RISK OF LARGE
PLUME DOMINATED FIRES WITH RAPID SPREAD AND EXTREME FIRE BEHAVIOR.
CAZ238-345-353-376>379-251700-
/O.NEW.KLOX.FW.W.0003.260825T1700Z-260828T2200Z/
CUYAMA VALLEY-SAN LUIS OBISPO COUNTY MOUNTAINS-
SANTA BARBARA COUNTY INTERIOR MOUNTAINS-
SOUTHERN VENTURA COUNTY MOUNTAINS-
NORTHERN VENTURA COUNTY MOUNTAINS-INTERSTATE 5 CORRIDOR-
WESTERN SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR-
146 PM PDT MON AUG 24 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM TUESDAY TO 3 PM PDT
FRIDAY FOR EXTREME HEAT AND INSTABILITY ALONG WITH LOCALLY GUSTY
WINDS AND LOW HUMIDITIES FOR THE INTERIOR MOUNTAINS AND ADJACENT
FOOTHILLS OF LOS ANGELES, VENTURA, SANTA BARBARA, AND SAN LUIS
OBISPO COUNTIES, AND CUYAMA VALLEY...
THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
RED FLAG WARNING FOR EXTREME HEAT AND INSTABILITY ALONG WITH
LOCALLY GUSTY WINDS AND LOW HUMIDITIES, WHICH IS IN EFFECT FROM
10 AM TUESDAY TO 3 PM PDT FRIDAY.
* TEMPERATURES...HIGHS 98 TO 108 ACROSS THE LOWER MOUNTAINS AND
ADJACENT FOOTHILLS, AND CUYAMA VALLEY, AND 85 TO 95 ACROSS
HIGHER MOUNTAINS. LOWS IN THE MID 70S TO MID 80S COMMON IN THE
MOUNTAINS AND FOOTHILLS.
* INSTABILITY...VERY DEEP MIXING HEIGHTS OF 12,000 TO 20,000 FEET
TUESDAY THROUGH THURSDAY, SLIGHTLY LOWER ON FRIDAY.
* WINDS...LOCAL NORTHWEST TO NORTH WINDS 15 TO 25 MPH WITH GUSTS
UP TO 35 MPH AT TIMES, STRONGEST ACROSS THE I-5 AND HIGHWAY 33
CORRIDORS. A SLIGHTLY STRONGER NORTHERLY WIND PUSH IS POSSIBLE
LATE THURSDAY NIGHT INTO FRIDAY MORNING, WITH GUSTS UP TO 40 MPH
POSSIBLE ACROSS THE I-5 CORRIDOR.
* RELATIVE HUMIDITY...MINIMUM HUMIDITIES 10 TO 20 PERCENT EACH
DAY, WITH ISOLATED VALUES AS LOW AS 8 PERCENT BY THURSDAY AND
FRIDAY. POOR RECOVERIES OVERNIGHT HOURS IN THE MOUNTAINS AND
FOOTHILLS WITH HUMIDITIES IN THE 15 TO 30 PERCENT RANGE.
* IMPACTS...THERE IS A SIGNIFICANT RISK OF LARGE PLUME DOMINATED
FIRES WITH RAPID FIRE SPREAD AND EXTREME FIRE BEHAVIOR. THERE IS
A HISTORY OF LARGE PLUME DOMINATED FIRES THIS TIME OF YEAR WITH
SIMILAR WEATHER AND FUEL CONDITIONS, INCLUDING THE BRIDGE,
BOBCAT, AND STATION FIRES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL 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.
CAZ375-380-251700-
/O.NEW.KLOX.FW.W.0003.260825T1700Z-260828T2200Z/
SANTA SUSANA MOUNTAINS-EASTERN SAN GABRIEL MOUNTAINS-
146 PM PDT MON AUG 24 2026
...RED FLAG WARNING IN EFFECT FROM 10 AM TUESDAY TO 3 PM PDT
FRIDAY FOR EXTREME HEAT AND INSTABILITY ALONG WITH LOCALLY GUSTY
WINDS AND LOW HUMIDITIES FOR THE EASTERN SAN GABRIEL MOUNTAINS
AND SANTA SUSANA MOUNTAINS...
THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
RED FLAG WARNING FOR EXTREME HEAT AND INSTABILITY ALONG WITH
LOCALLY GUSTY WINDS AND LOW HUMIDITIES, WHICH IS IN EFFECT FROM
10 AM TUESDAY TO 3 PM PDT FRIDAY.
* TEMPERATURES...HIGHS 96 TO 106 ACROSS THE LOWER ELEVATIONS.
HIGHS 85 TO 95 COMMON ACROSS THE HIGHER MOUNTAINS. LOWS IN THE
MID 70S TO MID 80S COMMON IN THE MOUNTAINS AND FOOTHILLS.
* INSTABILITY...VERY DEEP MIXING HEIGHTS OF 12,000 TO 18,000 FEET
TUESDAY THROUGH THURSDAY, SLIGHTLY LOWER ON FRIDAY.
* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS 20 TO 30 MPH EACH
AFTERNOON INTO EARLY EVENING.
* RELATIVE HUMIDITY...MINIMUM HUMIDITIES 10 TO 20 PERCENT EACH
DAY, POOR RECOVERIES OVERNIGHT HOURS IN THE MOUNTAINS AND
FOOTHILLS WITH HUMIDITIES IN THE 15 TO 30 PERCENT RANGE.
* IMPACTS...THERE IS A SIGNIFICANT RISK OF LARGE PLUME DOMINATED
FIRES WITH RAPID FIRE SPREAD AND EXTREME FIRE BEHAVIOR. THERE IS
A HISTORY OF LARGE PLUME DOMINATED FIRES THIS TIME OF YEAR WITH
SIMILAR WEATHER AND FUEL CONDITIONS, INCLUDING THE BRIDGE,
BOBCAT, AND STATION FIRES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL 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.
GOMBERG
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