Heat Advisory
* WHAT...Widespread temperatures of 90 to 100 expected.
* WHERE...The coasts and coastal valleys of Ventura and Los Angeles
counties.
* WHEN...From 10 AM this morning to 8 PM PDT Friday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...Well above normal temperatures will continue
well into next week, and additional Heat Advisories or Extreme
Heat Warnings may be needed.
From: Mar 12, 2026 09:03
Until: Mar 12, 2026 21:15
Heat Advisory
* WHAT...Widespread temperatures of 90 to 100 expected.
* WHERE...A portion of southwest California.
* WHEN...From 10 AM Thursday to 8 PM PDT Friday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...Well above normal temperatures will continue
well into next week, and additional Heat Advisories or Extreme
Heat Warnings may be needed.
From: Mar 11, 2026 18:11
Until: Mar 12, 2026 13:30
Heat Advisory
* WHAT...High temperatures from the low to mid 80s near the coast
and low to mid 90s for the valleys and inland Orange County
expected.
* WHERE...Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, and San Diego County Valleys.
* WHEN...From 10 AM Thursday to 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Very warm temperatures are expected to
continue into the weekend and beyond. Elevated overnight lows will
limit overnight relief from the heat.
From: Mar 12, 2026 04:52
Until: Mar 12, 2026 13:15
Wind Advisory
* WHAT...North winds 15 to 25 mph with gusts up to 45 mph expected.
* WHERE...Interstate 5 Corridor, Northern Ventura County Mountains,
Santa Barbara County Interior Mountains, Santa Ynez Mountains
Eastern Range, Southern Ventura County Mountains, and Western
Antelope Valley Foothills.
* WHEN...From 5 PM Tuesday to 9 AM PDT Wednesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 09, 2026 18:06
Until: Mar 11, 2026 16:00
Wind Advisory
* WHAT...Northeast winds 25 to 35 mph with gusts up to 50 mph
expected. Isolated gusts to 60 mph along the coastal mountain
slopes.
* 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.
* ADDITIONAL DETAILS...Strongest gusts along the foothills of the
San Bernardino Mountains and in the canyons of the Santa Ana
Mountains.
From: Mar 08, 2026 12:53
Until: Mar 09, 2026 00:00
Wind Advisory
* WHAT...For the Wind Advisory, northeast winds 20 to 30 mph with
gusts up to 45 mph. For the Heat Advisory, temperatures 87 to 92
expected.
* WHERE...Eastern San Fernando Valley and Western San Fernando
Valley.
* WHEN...For the Wind Advisory, until 3 PM PDT this afternoon. For
the Heat Advisory, from 10 AM this morning to 6 PM PDT this
evening.
* IMPACTS...Damaging winds could blow down trees and power lines.
Isolated power outages are possible. Travel will be difficult,
especially for high profile vehicles.
From: Mar 08, 2026 09:52
Until: Mar 08, 2026 22:00
Wind Advisory
* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor,
Santa Susana Mountains, and Western San Gabriel Mountains and
Highway 14 Corridor.
* WHEN...Until 3 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.
From: Mar 08, 2026 09:52
Until: Mar 08, 2026 22:00
Wind Advisory
* WHAT...Northeast winds 15 to 25 mph with gusts up to 40 mph.
* WHERE...Calabasas and Agoura Hills, Central Ventura County
Valleys, Northern Ventura County Mountains, Santa Clarita Valley,
Southeastern Ventura County Valleys, Southern Ventura County
Mountains, Ventura County Beaches, and Ventura County Inland Coast.
* WHEN...Until 3 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.
From: Mar 08, 2026 09:52
Until: Mar 08, 2026 22:00
Wind Advisory
* WHAT...For the Wind Advisory, northeast winds 25 to 35 mph with
gusts up to 55 mph. For the Heat Advisory, temperatures up to 88
expected.
* WHERE...Eastern Santa Monica Mountains Recreational Area and
Western Santa Monica Mountains Recreational Area.
* WHEN...For the Wind Advisory, until 3 PM PDT this afternoon. For
the Heat Advisory, from 10 AM this morning to 6 PM PDT this
evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
There is a high risk for heat illness for sensitive populations
including the very young, the very old, those without air
conditioning, and those active outdoors.
From: Mar 08, 2026 09:52
Until: Mar 08, 2026 22:00
Air Quality Alert
* WHAT...The South Coast AQMD has issued an air quality alert due to
harmful levels of particle pollution from windblown dust. Visit
https://www.aqmd.gov/alertinfo to check current and forecasted air
quality levels.
* WHERE...Parts of San Bernardino, Orange, and Riverside Counties.
Levels of particle pollution can vary by time and location
depending on emissions and local weather conditions.
* WHEN...from 6 AM Saturday to 6 PM Sunday.
* IMPACTS... Particle pollution can get deep into the lungs and
cause serious health problems such as asthma attacks, heart and
lung disease symptoms, and increased risk of lung infections.
Everyone can be affected, but sensitive groups such as people with
lung or heart disease, older adults, people who are pregnant,
children, and those who spend a lot of time outdoors are at greater
risk.
From: Mar 06, 2026 23:49
Until: Mar 08, 2026 14:00
Wind Advisory
* WHAT...Northeast winds 25 to 35 mph with gusts to 50 mph expected.
Isolated gusts to 65 mph.
* 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 Sunday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Strongest gusts along the foothills of the
San Bernardino Mountains and in the canyons of the Santa Ana
Mountains.
From: Mar 07, 2026 05:15
Until: Mar 07, 2026 14:15
Wind Advisory
* WHAT...Northeast winds 15 to 25 mph with gusts up to 40 mph
expected.
* WHERE...Catalina and Santa Barbara Islands, Los Angeles County
Beaches, Los Angeles County Inland Coast including Downtown Los
Angeles, Los Angeles County San Gabriel Valley, and Palos Verdes
Hills.
* WHEN...From 6 AM to 6 PM PST Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 06, 2026 18:49
Until: Mar 07, 2026 12:00
Wind Advisory
* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Western Antelope Valley Foothills.
* WHEN...From 6 AM to 6 PM PST Saturday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 06, 2026 18:49
Until: Mar 07, 2026 12:00
Wind Advisory
* WHAT...Northeast winds 20 to 30 mph with gusts to 50 mph expected.
Isolated gusts to 65 mph in the foothills.
* 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 Sunday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 06, 2026 20:25
Until: Mar 07, 2026 06:00
High Wind Warning
* WHAT...Northwest winds 25 to 40 mph with gusts up to 65 mph
possible.
* WHERE...Eastern San Gabriel Mountains and Western San Gabriel
Mountains and Highway 14 Corridor.
* WHEN...From 9 PM this evening to 9 AM PST Thursday.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel will be difficult,
especially for high profile vehicles.
From: Mar 04, 2026 19:23
Until: Mar 05, 2026 10:00
Wind Advisory
* WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected.
* WHERE...Antelope Valley, Eastern Antelope Valley Foothills, and
Western Antelope Valley Foothills.
* WHEN...From 4 PM this afternoon to 9 AM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 04, 2026 19:23
Until: Mar 05, 2026 10:00
Wind Advisory
* WHAT...North winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Calabasas and Agoura Hills, Eastern San Fernando Valley,
Santa Clarita Valley, Santa Susana Mountains, Southeastern Ventura
County Valleys, and Western San Fernando Valley.
* WHEN...From 6 PM this evening to 9 AM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* ADDITIONAL DETAILS...Local gusts to 60 mph may occur across
portions of the Santa Susana Mountains.
From: Mar 04, 2026 19:23
Until: Mar 05, 2026 10:00
High Wind Warning
* WHAT...North winds 25 to 40 mph with gusts up to 60 mph possible.
* WHERE...Eastern Santa Monica Mountains Recreational Area, Malibu
Coast, and Western Santa Monica Mountains Recreational Area.
* WHEN...From 2 AM to 9 AM PST Thursday.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel will be difficult,
especially for high profile vehicles.
From: Mar 04, 2026 19:23
Until: Mar 05, 2026 10:00
Wind Advisory
* WHAT...Northwest to north winds 20 to 30 mph with gusts up to 40
mph expected.
* WHERE...Catalina and Santa Barbara Islands, Los Angeles County
Beaches, and Palos Verdes Hills.
* WHEN...From midnight tonight to 9 AM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 04, 2026 19:23
Until: Mar 05, 2026 10:00
High Wind Watch
* WHAT...North winds 25 to 40 mph with gusts up to 60 mph possible.
* WHERE...Eastern Santa Monica Mountains Recreational Area, Malibu
Coast, and Western Santa Monica Mountains Recreational Area.
* WHEN...From late Wednesday night through Thursday morning.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
From: Mar 03, 2026 20:05
Until: Mar 04, 2026 13:00
Wind Advisory
* WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected.
* WHERE...Antelope Valley, Eastern Antelope Valley Foothills, and
Western Antelope Valley Foothills.
* WHEN...From 4 PM Wednesday to 9 AM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 03, 2026 20:05
Until: Mar 04, 2026 13:00
High Wind Watch
* WHAT...Northwest winds 25 to 40 mph with gusts up to 65 mph
possible.
* WHERE...Eastern San Gabriel Mountains and Western San Gabriel
Mountains and Highway 14 Corridor.
* WHEN...From Wednesday evening through Thursday morning.
* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
From: Mar 03, 2026 20:05
Until: Mar 04, 2026 13:00
Wind Advisory
* WHAT...North winds 20 to 30 mph with gusts up to 45 mph expected.
* WHERE...Calabasas and Agoura Hills, Eastern San Fernando Valley,
Santa Clarita Valley, Santa Susana Mountains, Southeastern Ventura
County Valleys, and Western San Fernando Valley.
* WHEN...From 6 PM Wednesday to 9 AM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 03, 2026 20:05
Until: Mar 04, 2026 13:00
Wind Advisory
* WHAT...Northwest winds 20 to 30 mph with gusts up to 40 mph
expected.
* WHERE...Catalina and Santa Barbara Islands, Los Angeles County
Beaches, and Palos Verdes Hills.
* WHEN...From midnight Wednesday Night to 9 AM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 03, 2026 20:05
Until: Mar 04, 2026 13:00
Wind Advisory
* WHAT...North winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Interstate 5 Corridor, Ventura County Mountains, Santa
Barbara County Interior Mountains, Santa Ynez Mountains Eastern
Range, and Western Antelope Valley Foothills.
* WHEN...Until 3 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Mar 03, 2026 00:15
Until: Mar 03, 2026 11:00
Frost Advisory
* WHAT...Temperatures as low as 35 will result in frost formation.
* WHERE...Calabasas and Agoura Hills, Ojai Valley, and Santa Ynez
Valley.
* WHEN...From midnight tonight to 9 AM PST Sunday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
From: Feb 22, 2026 03:48
Until: Feb 22, 2026 17:00
Frost Advisory
* WHAT...Temperatures as low as 34 will result in frost formation.
* WHERE...Calabasas and Agoura Hills, Ojai Valley, and Santa Ynez
Valley.
* WHEN...Until 9 AM PST this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
From: Feb 22, 2026 09:16
Until: Feb 22, 2026 17:00
Freeze Warning
* WHAT...Sub-freezing temperatures as low as 26 to 30 degrees
expected.
* WHERE...Cuyama Valley, Eastern Antelope Valley Foothills, and
Western Antelope Valley Foothills.
* WHEN...From midnight tonight to 9 AM PST Saturday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
From: Feb 21, 2026 04:22
Until: Feb 21, 2026 17:00
Frost Advisory
* WHAT...Temperatures as low as 32 will result in frost formation.
* WHERE...Calabasas and Agoura Hills, Central Ventura County
Valleys, Ojai Valley, Santa Clarita Valley, Santa Susana
Mountains, Southeastern Ventura County Valleys, and Western San
Fernando Valley.
* WHEN...From midnight tonight to 9 AM PST Saturday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
From: Feb 21, 2026 04:22
Until: Feb 21, 2026 17:00
High Surf Advisory
* WHAT...Large breaking waves of 4 to 7 feet with dangerous rip
currents.
* WHERE...Malibu Coast and Los Angeles County Beaches.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...There is an increased risk for ocean drowning. Rip
currents can pull swimmers and surfers out to sea. Large
breaking waves can cause injury, wash people off beaches and
rocks, and capsize small boats near shore.
From: Feb 20, 2026 10:18
Until: Feb 20, 2026 23:15
High Surf Advisory
* WHAT...High surf of 3 to 6 feet is expected, with sets as high
as 7 feet in San Diego County.
* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion.
* ADDITIONAL DETAILS...High surf will subside slowly during the
day today.
From: Feb 20, 2026 12:28
Until: Feb 20, 2026 22:00
Frost Advisory
* WHAT...Temperatures as low as 32 degrees will result in frost
formation.
* WHERE...Calabasas and Agoura Hills, all Ventura County Valleys,
and the Santa Clarita Valley.
* WHEN...Until 8 AM PST this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
From: Feb 20, 2026 11:11
Until: Feb 20, 2026 16:00
Winter Storm Warning
* WHAT...Heavy snow possible. Total snow accumulations of up to 4
inches between 3500 and 4500 feet, 6 to 12 inches for 4500 to 6000
feet, and 1 to 2 feet above 6000 feet. Wind gusts of up to 60 to
70 mph possible this afternoon through late tonight, and again
late Wednesday night into Thursday morning.
* WHERE...Eastern San Gabriel Mountains and Northern Ventura County
Mountains.
* WHEN...Until 7 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could become
treacherous. Visibilities may drop below one-quarter mile due to
falling and blowing snow. Damaging winds could blow down trees and
power lines.
* ADDITIONAL DETAILS...There will be a break in the snowfall for
Tuesday into Tuesday night, before heavy snow returns by
Wednesday. However, blowing and drifting snow producing
significant visibility restrictions will continue above 6000 feet
elevation, even during the break in snowfall.
From: Feb 17, 2026 19:57
Until: Feb 20, 2026 15:00
High Surf Advisory
* WHAT...High surf of 5 to 9 feet is expected, with sets as high
as 11 feet, highest in San Diego County today.
* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion.
From: Feb 18, 2026 09:39
Until: Feb 18, 2026 22:00
Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts to 50 mph.
* WHERE...Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, San Diego County Valleys, and Santa
Ana Mountains and Foothills.
* WHEN...Until 8 AM PST this morning.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Feb 18, 2026 10:46
Until: Feb 18, 2026 16:00
Wind Advisory
* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph.
* WHERE...Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, San Diego County Valleys, and Santa
Ana Mountains and Foothills.
* WHEN...Until 8 AM PST Wednesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Feb 18, 2026 05:20
Until: Feb 18, 2026 14:15
High Surf Advisory
* WHAT...High surf of 4 to 9 feet is expected, with sets as high
as 11 feet, highest in San Diego County on Wednesday.
* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Dangerous swimming and surfing conditions and
localized beach erosion.
From: Feb 18, 2026 06:02
Until: Feb 18, 2026 14:15
Wind Advisory
* WHAT...Northeast winds 15 to 25 mph with gusts to 35 mph common.
Local gusts to 45 mph in the mountains and hills.
* WHERE...Santa Clarita Valley, Santa Susana Mountains, Southeastern
Ventura County Valleys, and Western San Gabriel Mountains and
Highway 14 Corridor.
* WHEN...Until 5 PM PST this afternoon.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Jan 30, 2026 21:09
Until: Jan 31, 2026 01:00
Wind Advisory
* WHAT...Northeast winds 15 to 25 mph with gusts to 35 mph common.
Local gusts to 45 mph in the mountains and hills.
* WHERE...Santa Clarita Valley, Santa Susana Mountains, Southeastern
Ventura County Valleys, and Western San Gabriel Mountains and
Highway 14 Corridor.
* WHEN...Until 2 PM PST this afternoon.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Jan 30, 2026 10:31
Until: Jan 30, 2026 22:00
Wind Advisory
* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...Santa Lucia Mountains, Santa Susana Mountains, and Western
San Gabriel Mountains and Highway 14 Corridor.
* WHEN...From 4 AM to 2 PM PST Thursday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Jan 28, 2026 20:41
Until: Jan 29, 2026 22:00
Wind Advisory
* WHAT...Northeast winds 20 to 30 mph with gusts up to 45 mph
expected.
* WHERE...Santa Lucia Mountains, Santa Susana Mountains, and Western
San Gabriel Mountains and Highway 14 Corridor.
* WHEN...From 4 AM early this morning to 2 PM PST this afternoon.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Jan 29, 2026 08:37
Until: Jan 29, 2026 22:00
Wind Advisory
* WHAT...Northeast winds 20 to 30 mph with gusts 35 to 45 mph
expected.
* WHERE...Santa Clarita Valley, Southeastern Ventura County Valleys,
and Western Santa Monica Mountains Recreational Area.
* WHEN...From 4 AM early this morning to 2 PM PST this afternoon.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Jan 29, 2026 08:37
Until: Jan 29, 2026 22:00
