Wind Advisory 14, NWS San Diego, CA

378 
WWUS76 KSGX 160427
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
927 PM PDT Wed Apr 15 2026

CAZ060-161315-
/O.CON.KSGX.WI.Y.0014.260416T1800Z-260417T0900Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Southern California
Logistics Airport, Apple Valley, Adelanto, and Hesperia
927 PM PDT Wed Apr 15 2026

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THURSDAY TO 2 AM PDT 
FRIDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 11 AM Thursday to 2 AM PDT Friday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SS

718 
WWUS76 KSGX 161055
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
355 AM PDT Thu Apr 16 2026

CAZ060-162230-
/O.CON.KSGX.WI.Y.0014.260416T1800Z-260417T0900Z/
Apple and Lucerne Valleys-
Including the cities of Apple Valley, Hesperia, Victorville,
Southern California Logistics Airport, and Adelanto
355 AM PDT Thu Apr 16 2026

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 2 AM 
PDT FRIDAY...

* WHAT...West winds 15 to 25 mph with gusts to 45 mph expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...From 11 AM this morning to 2 AM PDT Friday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

17

092 
WWUS76 KSGX 161845
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1145 AM PDT Thu Apr 16 2026

CAZ048-055-057-554-170515-
/O.NEW.KSGX.WI.Y.0015.260417T1200Z-260418T0000Z/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Bernardino County Mountains-Santa Ana Mountains and Foothills-
Orange County Inland Areas-
Including the cities of Riverside, Fontana, Running Springs, San
Bernardino, Crestline, and Corona
1145 AM PDT Thu Apr 16 2026

...WIND ADVISORY IN EFFECT FROM 5 AM TO 5 PM PDT FRIDAY...

* WHAT...North to northeast winds 20 to 30 mph with gusts up to 50 
  mph expected.

* WHERE...Orange County Inland Areas, San Bernardino County 
  Mountains, San Bernardino and Riverside County Valleys-The Inland 
  Empire, and Santa Ana Mountains and Foothills.

* WHEN...From 5 AM to 5 PM PDT Friday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Secure outdoor objects.

&&

$$

CAZ060-170515-
/O.CON.KSGX.WI.Y.0014.000000T0000Z-260417T0900Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, Apple Valley,
Southern California Logistics Airport, and Adelanto
1145 AM PDT Thu Apr 16 2026

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WHAT...West winds 15 to 25 mph with gusts to 45 mph expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 2 AM PDT Friday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

12

395 
WWUS76 KSGX 170449
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
949 PM PDT Thu Apr 16 2026

CAZ060-170900-
/O.CON.KSGX.WI.Y.0014.000000T0000Z-260417T0900Z/
Apple and Lucerne Valleys-
Including the cities of Adelanto, Hesperia, Apple Valley,
Victorville, and Southern California Logistics Airport
949 PM PDT Thu Apr 16 2026

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WHAT...West winds 15 to 25 mph with gusts to 45 mph expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 2 AM PDT Friday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ048-055-057-554-171315-
/O.CON.KSGX.WI.Y.0015.260417T1200Z-260418T0000Z/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Bernardino County Mountains-Santa Ana Mountains and Foothills-
Orange County Inland Areas-
Including the cities of San Bernardino, Fontana, Corona,
Crestline, Running Springs, and Riverside
949 PM PDT Thu Apr 16 2026

...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 5 PM PDT FRIDAY...

* WHAT...North to northeast winds 20 to 30 mph with gusts up to 50 
  mph expected.

* WHERE...Orange County Inland Areas, San Bernardino County 
  Mountains, San Bernardino and Riverside County Valleys-The Inland 
  Empire, and Santa Ana Mountains and Foothills.

* WHEN...From 5 AM to 5 PM PDT Friday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Secure outdoor objects.

&&

$$

PS

962 
WWUS76 KSGX 170907
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
207 AM PDT Fri Apr 17 2026

CAZ060-171015-
/O.EXP.KSGX.WI.Y.0014.000000T0000Z-260417T0900Z/
Apple and Lucerne Valleys-
Including the cities of Apple Valley, Victorville, Adelanto,
Southern California Logistics Airport, and Hesperia
207 AM PDT Fri Apr 17 2026

...WIND ADVISORY HAS EXPIRED...

$$

CAZ048-055-057-554-172230-
/O.CON.KSGX.WI.Y.0015.260417T1200Z-260418T0000Z/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Bernardino County Mountains-Santa Ana Mountains and Foothills-
Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Crestline,
Fontana, Corona, and Running Springs
207 AM PDT Fri Apr 17 2026

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON...

* WHAT...North winds 20 to 30 mph with gusts to 50 mph expected.

* WHERE...Orange County Inland Areas, San Bernardino County 
  Mountains, San Bernardino and Riverside County Valleys-The Inland 
  Empire, and Santa Ana Mountains and Foothills.

* WHEN...Until 5 PM PDT this afternoon.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Secure outdoor objects.

&&

$$

17

Area Forecast Discussion
National Weather Service San Diego CA
1031 AM PDT Wed Apr 15 2026

.SYNOPSIS...
High temperatures will warm to around average today. Stronger
onshore flow will spread cooling inland on Thursday with
southwest to west winds for the mountains and deserts gusting to
35 to 45 mph. The flow will turn offshore on Friday with warming
for the coast and valleys and continued cooling for the deserts.
There will be northeast winds along and below the coastal slopes
of the mountains gusting to 35 to 45 mph. Warmer with weaker winds
for next weekend with high temperatures warming to around 5 to 10
degrees above average on Sunday. Then cooler and breezy early
next week as a low pressure system moves toward the California
coast.

&&

.DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...
SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO
COUNTIES...

.SHORT TERM (Today through Friday)...
High temperatures will continue to warm today, warming a degree
or two near the coast to around 5 degrees inland. High
temperatures for today will be around average, ranging from the
upper 60s near the coast to the mid to upper 70s for the Inland
Empire with the upper 80s for the lower deserts.

A low pressure system moving through the Great Basin and northern
Rockies on Thursday will strengthen the onshore flow across
southern California. There will be stronger southwest to west
winds for the mountains and deserts during the afternoon and
evening with gusts to 35 to 45 mph. High temperatures will be a
few degrees cooler with high temperatures ranging from the mid to
upper 60s near the coast to the lower to mid 70s for the Inland
Empire with the mid to upper 60s for the lower deserts. Clouds
will increase late tonight into Thursday, then decrease Thursday
night.

For late Thursday night and Friday, the lower-level flow will
become offshore with north to northeast winds along and below the
coastal slopes of the mountains gusting to 35 to 45 mph with
isolated gusts to 55 mph. High temperatures for the deserts will
be several degrees cooler on Friday while the coast and valleys
warm 5 to 10 degrees. High temperatures on Friday will be mostly
in the 70s for the coast and valleys to around 80 for the western
valleys and inland coastal areas with the lower deserts around
80.

&&

.LONG TERM (Saturday through Tuesday)...
There will be inland warming during the weekend with weaker winds.
High temperatures on Saturday will warm 5 to 10 degrees for inland
areas. High temperatures on Sunday will warm another 5 degrees or
so for the deserts into the mountains while coastal areas into the
western valleys are a few degrees cooler. High temperatures on
Sunday will be 5 to 10 degrees above average, ranging from the
lower 70s near the coast to the lower to mid 80s for the Inland
Empire with the lower deserts in the lower 90s. Cooler and breezy
for early next week as a Pacific low pressure system moves toward
the California coast.

&&

.AVIATION...
151730Z...Coasts...Low clouds based around 2000 ft MSL are currently
lingering over southern SD County (vcty KSAN). Scattering out by
1830Z with SKC expected through this evening. Patchy low clouds
based 1500-2000 ft MSL expected to redevelop over nearshore waters
and coastal areas after 06Z Thu. Coverage will remain patchy through
Thursday morning. Chances for BKN cigs at TAF sites: 70% at KSAN,
50% at CRQ, 60% at KSNA.

Otherwise...mostly clear and VFR conditions today through tonight.

&&

.MARINE...
Wind gusts to reach around 20 kts near San Clemente Island Thursday
afternoon and evening. Otherwise, no hazardous marine conditions are
expected through Sunday.

&&

.SKYWARN...
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.

&&

.SGX WATCHES/WARNINGS/ADVISORIES...
CA...Wind Advisory from 11 AM Thursday to 2 AM PDT Friday for Apple
     and Lucerne Valleys.

PZ...None.

&&

PUBLIC...17
AVIATION/MARINE...KW