652  
WWUS46 KLOX 202043  
WSWLOX  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
1243 PM PST THU NOV 20 2025  
 
CAZ377-211800-  
/O.CON.KLOX.WW.Y.0009.000000T0000Z-251121T1800Z/  
NORTHERN VENTURA COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF MOUNT PINOS, OZENA, AND LOCKWOOD VALLEY  
1243 PM PST THU NOV 20 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST  
FRIDAY...  
 
* WHAT...MODERATE SNOW ACCUMULATIONS EXPECTED: FOR ELEVATIONS ABOVE  
6000 FEET, 3 TO 6 INCHES. FOR ELEVATIONS BETWEEN 5000 AND 6000  
FEET, 1 TO 3 INCHES POSSIBLE. EAST WIND GUSTS OF 30 TO 45 MPH  
EXPECTED ON FRIDAY.  
 
* WHERE...NORTHERN VENTURA COUNTY MOUNTAINS.  
 
* WHEN...UNTIL 10 AM PST FRIDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING  
COMMUTES.  
 
* ADDITIONAL DETAILS...ADDITIONAL SNOW IS POSSIBLE FRIDAY AFTERNOON  
INTO SATURDAY, BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT AT THIS  
POINT. IF MORE INTENSE SNOW BECOMES PROBABLE, THIS ADVISORY MAY  
NEED TO BE EXTENDED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. ALWAYS CARRY CHAINS. THE  
LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE  
OBTAINED BY CALLING 5 1 1.  
 
 
 
 
 
CAZ379-380-211800-  
/O.CON.KLOX.WW.Y.0009.251120T2100Z-251122T0000Z/  
WESTERN SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR-EASTERN SAN  
GABRIEL MOUNTAINS-  
INCLUDING THE CITIES OF WARM SPRINGS, ACTON, THE ANGELES CREST  
HIGHWAY, MILL CREEK, MOUNT BALDY, WRIGHTWOOD, AND MOUNT WILSON  
1243 PM PST THU NOV 20 2025  
   
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY  
 
* WHAT...MODERATE SNOW ACCUMULATIONS EXPECTED: FOR ELEVATIONS ABOVE  
6000 FEET, 3 TO 6 INCHES. LOCAL ACCUMULATIONS OF 8 INCHES  
POSSIBLE. FOR ELEVATIONS BETWEEN 5000 AND 6000 FEET, 1 TO 3 INCHES  
POSSIBLE. EAST WIND GUSTS OF 30 TO 45 MPH EXPECTED ON FRIDAY.  
 
* WHERE...EASTERN SAN GABRIEL MOUNTAINS AND WESTERN SAN GABRIEL  
MOUNTAINS AND HIGHWAY 14 CORRIDOR.  
 
* WHEN...UNTIL 4 PM PST FRIDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE THURSDAY EVENING AND FRIDAY MORNING  
COMMUTES.  
 
* ADDITIONAL DETAILS...ADDITIONAL SNOW IS POSSIBLE FRIDAY NIGHT INTO  
SATURDAY, BUT ACCUMULATIONS ARE EXPECTED TO BE LIGHT AT THIS  
POINT. IF MORE INTENSE SNOW BECOMES PROBABLE, THIS ADVISORY MAY  
NEED TO BE EXTENDED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. ALWAYS CARRY CHAINS. THE  
LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE  
OBTAINED BY CALLING 5 1 1.  
 
 
 
 
 
VISIT US AT HTTP://WWW.WEATHER.GOV/LOSANGELES  
 
MW  
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