Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service San Diego CA
340 AM PST Thu Nov 20 2025
CAZ055-056-202300-
/O.CON.KSGX.WS.W.0004.251121T0000Z-251122T0000Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Big Bear Lake and Big Bear City
340 AM PST Thu Nov 20 2025
...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 4 PM PST FRIDAY ABOVE 6500 FT...
* WHAT...Heavy wet snow expected above 6500 feet with accumulating
snow as low as 5500 to 6000 feet early Friday morning. Through
Friday afternoon, snowfall of 3 to 6 inches is expected from 6000
to 7000 feet, 6 to 10 inches from 7000 to 7500 feet, and 10 to 14
inches above 7500 feet. Scattered snow showers will continue for
Friday night into Saturday with additional snowfall of 2 to 5
inches.
* WHERE...Riverside County Mountains and San Bernardino County
Mountains above 6500 feet.
* WHEN...From 4 PM this afternoon to 4 PM PST Friday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Thursday evening and Friday
morning commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.
&&
$$
17
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Hanford CA
1008 AM PST Thu Nov 20 2025
CAZ323-326>328-330-331-336-210200-
/O.CON.KHNX.WW.Y.0010.000000T0000Z-251121T1800Z/
Yosemite NP outside of the valley-Upper San Joaquin River-Kaiser
to Rodgers Ridge-Kings Canyon NP-Sequoia NP-South End of the
Upper Sierra-Frazier Mountain Communities-
Including the cities of Shaver Lake, Lake Wishon, Frazier Park,
Florence Lake, Devils Postpile, Cedar Grove, Johnsondale, Giant
Forest, Huntington Lake, Tuolumne Meadows, Lodgepole, Wawona, and
Lake Thomas Edison
1008 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
* WHAT...Snow expected. For the central and southern Sierra Nevada:
Total snow accumulations 5 to 8 inches. Winds gusting to 35 mph.
For Pine Mountain Club and Mount Pinos: Total snow accumulations 2
to 5 inches. Winds gusting to 25 mph.
* WHERE...A portion of central California.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could be very difficult.
The hazardous conditions could impact the Thursday evening and
Friday morning commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.
&&
$$
JPK
URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
816 AM PST Thu Nov 20 2025
CAZ073-211600-
/O.EXT.KREV.WW.Y.0018.000000T0000Z-251121T1600Z/
Mono County-
Including the cities of Lee Vining, Coleville, Mammoth Lakes, and
Bridgeport
816 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM PST FRIDAY ABOVE
6000 FEET...
* WHAT...Snow. Snow accumulations of 2 to 5 inches between 6000 and
7000 feet. Above 7000 feet, snow accumulations of 6 to 12 inches
with 12 to 18 inches possible along the highest peaks. Winds
gusting as high as 80 mph along the Sierra crest.
* WHERE...Mono County.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Thursday morning and evening commutes. Gusty
winds could bring down tree branches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
816 AM PST Thu Nov 20 2025
NVZ001-211600-
/O.EXT.KREV.WW.Y.0018.000000T0000Z-251121T1600Z/
Mineral and Southern Lyon Counties-
Including the cities of Yerington, Smith Valley, Schurz,
Hawthorne, and Mina
816 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM PST FRIDAY ABOVE
5000 FEET...
* WHAT...Snow. Snow accumulations of a trace to 3 inches between
5000 and 7000 feet. Above 7000 feet, snow accumulations of 4 to 8
inches with up to a foot along the highest peaks. Winds gusting as
high as 60 mph along the highest peaks.
* WHERE...Mineral and Southern Lyon Counties.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning and evening commutes.
The greatest impacts from this storm will be on passes such as
Anchorite on Nevada Highway 359 and Montgomery on US Highway 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
CJ
URGENT - WINTER WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
245 AM PST Thu Nov 20 2025
CAZ377-202200-
/O.EXT.KLOX.WW.Y.0009.251120T1800Z-251121T1800Z/
Northern Ventura County Mountains-
Including the cities of Ozena, Lockwood Valley, and Mount Pinos
245 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO
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...From 10 AM this morning to 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.
&&
$$
Visit us at http://www.weather.gov/LosAngeles
Kittell
URGENT - WINTER WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
245 AM PST Thu Nov 20 2025
CAZ379-380-202200-
/O.UPG.KLOX.WS.A.0003.251120T2100Z-251122T1800Z/
/O.EXB.KLOX.WW.Y.0009.251120T2100Z-251122T0000Z/
Western San Gabriel Mountains and Highway 14 Corridor-Eastern San
Gabriel Mountains-
Including the cities of Warm Springs, Mount Baldy, Acton, Mount
Wilson, Mill Creek, The Angeles Crest Highway, and Wrightwood
245 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 4
PM PST FRIDAY...
* WHAT...Moderate snow accumulations expected: For elevations above
6000 feet, 3 to 6 inches. Local accumulations of 8 inches
possible. For elevations between 5000 and 6000 feet, 1 to 3 inches
possible. East wind gusts of 30 to 45 mph expected on Friday.
* WHERE...San Gabriel Mountains in Los Angeles County.
* WHEN...From 1 PM this afternoon to 4 PM PST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes.
* ADDITIONAL DETAILS...Additional snow is possible Friday Night into
Saturday, but accumulations are expected to be light at this
point. If more intense snow becomes probable, this advisory may
need to be extended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Always carry chains. The
latest road conditions for the state you are calling from can be
obtained by calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Las Vegas NV
206 AM PST Thu Nov 20 2025
CAZ519-521-202300-
/O.EXB.KVEF.WW.Y.0011.251120T1800Z-251121T1600Z/
Eastern Sierra Slopes-White Mountains of Inyo County-
Including the cities of Whitney Portal, Aspendell, Bristlecone
Pine, and Westgard Pass
206 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 AM
PST FRIDAY...
* WHAT...Snow expected. Total snow accumulations between 3 and 5
inches above 6000 feet; between 5 and 10 inches above 8000 feet;
between 8 and 12 inches above 9500 feet.
* WHERE...White and Inyo Mountains, and Eastern Sierra Slopes.
* WHEN...From 10 AM this morning to 8 AM PST Friday.
* IMPACTS...Plan on slippery road conditions, particularly along
State Route 168 toward Aspendell and through Westgard Pass.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 1-800-427-7623 for
road information.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Las Vegas NV
206 AM PST Thu Nov 20 2025
NVZ018-202300-
/O.EXA.KVEF.WW.Y.0011.251120T2100Z-251121T1600Z/
Sheep Range-
Including the cities of Hayford Pk
206 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8
AM PST FRIDAY...
* WHAT...Snow expected. Total snow accumulations between 2 and 5
inches above 6000 feet; between 5 and 8 inches above 8000 feet.
* WHERE...Sheep Range.
* WHEN...From 1 PM this afternoon to 8 AM PST Friday.
* IMPACTS...Travel could be very difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 for road
information.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Las Vegas NV
206 AM PST Thu Nov 20 2025
NVZ019-202300-
/O.CON.KVEF.WW.Y.0011.251120T2100Z-251121T1600Z/
Spring Mountains-Red Rock Canyon-
Including the cities of Red Rock Canyon and Mt Charleston
206 AM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 8 AM PST FRIDAY...
* WHAT...Snow expected. Total snow accumulations between 2 and 5
inches above 6000 feet; between 5 and 8 inches above 8000 feet;
between 8 and 12 inches above 9500 feet.
* WHERE...Spring Mountains-Red Rock Canyon.
* WHEN...From 1 PM this afternoon to 8 AM PST Friday.
* IMPACTS...Travel could be very difficult to impossible,
particularly along State Routes 156, 157, and 158.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 for road
information.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/lasvegas
JCS
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
752 AM PST Thu Nov 20 2025
PZZ650-655-202300-
/O.CON.KLOX.SC.Y.0180.251120T2300Z-251121T2300Z/
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
752 AM PST Thu Nov 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 3 PM PST FRIDAY...
* WHAT...Hazardous sea conditions.
* WHERE...East Santa Barbara Channel from Pt. Conception to Pt.
Mugu CA including Santa Cruz Island and Inner waters from
Point Mugu to San Mateo Pt. CA including Santa Catalina and
Anacapa Islands.
* WHEN...From 3 PM this afternoon to 3 PM PST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX)
for more.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Marine Weather Statement
Marine Weather Statement
National Weather Service Los Angeles/Oxnard CA
1242 AM PST Thu Nov 20 2025
PZZ645-650-655-670-673-676-220700-
Point Piedras Blancas to Point Sal westward out to 10 NM-
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
1242 AM PST Thu Nov 20 2025
...SLIGHT CHANCE OF THUNDERSTORMS FROM THURSDAY AFTERNOON THROUGH
LATE FRIDAY....
Any thunderstorms that form will be capable of producing local
gale force winds and rough seas, dangerous lightning, heavy
rainfall with reduced visibility, and waterspouts.
$$
