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Santa Barbara County Alerts
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Updated:March 15, 2026 1:46 pm PDT

Extreme Heat Warning EXTREME HEAT WARNING  
Santa Barbara County

  Effective: Sun, 3/15 11:55am Severity:  Severe 
  Updated: March 15, 2026 1:46 pm Urgency: Expected
  Expires: Mon, 3/16 6:00am Certainty: Likely

Areas Affected: Santa Clarita Valley - Santa Lucia Mountains - San Luis Obispo County Mountains - Santa Ynez Mountains Western Range - Santa Ynez Mountains Eastern Range - Santa Barbara County Interior Mountains - Lake Casitas - Ojai Valley - Central Ventura County Valleys - Los Angeles County Inland Coast including Downtown Los Angeles - Western Santa Monica Mountains Recreational Area - Eastern Santa Monica Mountains Recreational Area - Calabasas and Agoura Hills - Western San Fernando Valley - Eastern San Fernando Valley - Southeastern Ventura County Valleys - Santa Susana Mountains - Southern Ventura County Mountains - Interstate 5 Corridor - Western San Gabriel Mountains and Highway 14 Corridor - Eastern San Gabriel Mountains - Los Angeles County San Gabriel Valley
 
Alert Details:
* WHAT...For the Heat Advisory, temperatures between 90 and 98
expected. For the Extreme Heat Warning, dangerously hot conditions
with temperatures between 96 and 104 expected.

* WHERE...A portion of southwest California.

* WHEN...For the Heat Advisory, from 10 AM Monday to 10 AM PDT
Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM
PDT Friday.

* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.

Information:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Heat Advisory HEAT ADVISORY  
Santa Barbara County

  Effective: Sun, 3/15 11:55am Severity:  Moderate 
  Updated: March 15, 2026 1:46 pm Urgency: Expected
  Expires: Mon, 3/16 6:00am Certainty: Likely

Areas Affected: Catalina and Santa Barbara Islands - San Luis Obispo County Beaches - San Luis Obispo County Inland Central Coast - Santa Barbara County Central Coast Beaches - Santa Barbara County Inland Central Coast - Santa Ynez Valley - Santa Barbara County Southwestern Coast - Santa Barbara County Southeastern Coast - Ventura County Beaches - Ventura County Inland Coast - Malibu Coast - Los Angeles County Beaches - Palos Verdes Hills
 
Alert Details:
* WHAT...Temperatures between 85 and 95 expected.

* WHERE...A portion of southwest California.

* WHEN...From 10 AM Monday to 8 PM PDT Saturday.

* 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.

Information:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Heat Advisory HEAT ADVISORY  
Santa Barbara County

  Effective: Sun, 3/15 11:55am Severity:  Moderate 
  Updated: March 15, 2026 1:46 pm Urgency: Expected
  Expires: Mon, 3/16 6:00am Certainty: Likely

Areas Affected: Santa Clarita Valley - Santa Lucia Mountains - San Luis Obispo County Mountains - Santa Ynez Mountains Western Range - Santa Ynez Mountains Eastern Range - Santa Barbara County Interior Mountains - Lake Casitas - Ojai Valley - Central Ventura County Valleys - Los Angeles County Inland Coast including Downtown Los Angeles - Western Santa Monica Mountains Recreational Area - Eastern Santa Monica Mountains Recreational Area - Calabasas and Agoura Hills - Western San Fernando Valley - Eastern San Fernando Valley - Southeastern Ventura County Valleys - Santa Susana Mountains - Southern Ventura County Mountains - Interstate 5 Corridor - Western San Gabriel Mountains and Highway 14 Corridor - Eastern San Gabriel Mountains - Los Angeles County San Gabriel Valley
 
Alert Details:
* WHAT...For the Heat Advisory, temperatures between 90 and 98
expected. For the Extreme Heat Warning, dangerously hot conditions
with temperatures between 96 and 104 expected.

* WHERE...A portion of southwest California.

* WHEN...For the Heat Advisory, from 10 AM Monday to 10 AM PDT
Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM
PDT Friday.

* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.

Information:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Heat Advisory HEAT ADVISORY  
Santa Barbara County

  Effective: Sun, 3/15 11:55am Severity:  Moderate 
  Updated: March 15, 2026 1:46 pm Urgency: Expected
  Expires: Mon, 3/16 6:00am Certainty: Likely

Areas Affected: San Miguel and Santa Rosa Islands - Santa Cruz and Anacapa Islands
 
Alert Details:
* WHAT...Temperatures between 80 and 90 expected.

* WHERE...San Miguel and Santa Rosa Islands and Santa Cruz and
Anacapa Islands.

* WHEN...From 10 AM Tuesday to 8 PM PDT Saturday.

* 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.

Information:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.