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San Luis Obispo County Alerts
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WARNINGS - WATCHES - ADVISORIES - STATEMENTS
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Updated:August 30, 2025 11:30 am PDT

Heat Advisory HEAT ADVISORY  
San Luis Obispo County

Effective: Sat, 8/30 6:06am Severity:  Moderate 
Updated: August 30, 2025 11:30 am Urgency: Expected
Expires: Sat, 8/30 6:15pm Certainty: Likely

Areas Affected: Cuyama Valley - San Luis Obispo County Interior Valleys - San Luis Obispo County Mountains - Santa Barbara County Interior Mountains
 
Alert Details:
* WHAT...Hot daytime conditions with high temperatures of 95 to 105
degrees common, and warm overnight conditions.

* WHERE...Interior valleys and interior mountains of San Luis Obispo
and Santa Barbara Counties, including Cuyama.

* WHEN...From 10 AM Sunday to 6 PM PDT Tuesday.

* 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:
Limit strenuous outdoor activities (like hiking) to the early
morning hours. Stay in air conditioned spaces during the heat of the
day. Check up on relatives and neighbors.
Heat Advisory HEAT ADVISORY  
San Luis Obispo County

Effective: Sat, 8/30 6:06am Severity:  Moderate 
Updated: August 30, 2025 11:30 am Urgency: Expected
Expires: Sat, 8/30 6:15pm Certainty: Likely

Areas Affected: San Luis Obispo County Inland Central Coast - Santa Lucia Mountains - Southern Salinas Valley - Santa Barbara County Inland Central Coast - Santa Ynez Valley - Santa Barbara County Southwestern Coast - Santa Ynez Mountains Western Range
 
Alert Details:
* WHAT...Hot daytime conditions with high temperatures from 85 to 95
coastal plains to 95 to 105 degrees valleys and hills.

* WHERE...Inland Central Coasts of San Luis Obispo and Santa Barbara
Counties, Santa Lucia Mountains, Santa Ynez Mountains Western
Range, Santa Ynez Valley, and Southern Salinas Valley.

* WHEN...From 10 AM to 6 PM PDT Sunday.

* 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:
Limit strenuous outdoor activities (like hiking) to the early
morning hours. Stay in air conditioned spaces during the heat of the
day. Check up on relatives and neighbors.
Beach Hazards Statement BEACH HAZARDS STATEMENT  
San Luis Obispo County

Effective: Sat, 8/30 7:42am Severity:  Moderate 
Updated: August 30, 2025 11:30 am Urgency: Expected
Expires: Sun, 8/31 3:00am Certainty: Likely

Areas Affected: San Luis Obispo County Beaches - Santa Barbara County Central Coast Beaches
 
Alert Details:
* WHAT...Dangerous rip currents with a combination of a south
and northwest swell producing elevated surf.

* WHERE...San Luis Obispo County Beaches and Santa Barbara
County Central Coast Beaches. Highest for south facing beaches,
especially for Port San Luis and Avila Beach.

* WHEN...Through Monday evening.

* IMPACTS...There is an increased risk of ocean drowning. Rip
currents can pull swimmers and surfers out to sea. Waves can
wash people off beaches and rocks, and capsize small boats
nearshore.

Information:
Remain out of the water due to hazardous swimming conditions, or
stay near occupied lifeguard towers. Rock jetties can be deadly
in such conditions, stay off the rocks.