***FOR IMMEDIATE RELEASE***

March 17, 2026

San Luis Obispo City Fire Dept. Warns of Upcoming Extreme Heat Wave Through March 20, 2026

 San Luis Obispo, CA — The San Luis Obispo Fire Department is urging residents to take precautions as a period of elevated temperatures is forecasted to impact the area over the coming days.

This heat event is of particular concern due to a rapid temperature increase of approximately 25 degrees above recent conditions. Sudden temperature swings can increase the risk of heat-related illness because individuals may not yet be acclimated to higher temperatures. This event is also notable as it is expected to be the hottest March temperatures recorded locally since 1988, further underscoring the need for preparedness. High temperatures can significantly increase the risk of heat-related illnesses, particularly for older adults, young children, outdoor workers, and individuals with underlying health conditions. City staff will be out contacting our unhoused population and ensuring they have access to water and are aware of the open cooling center at 40 Prado. 

Low Wildfire Risk

While there are currently no Red Flag Warnings in effect due to recent rainfall and higher vegetation moisture levels, this period of heat will begin to dry out grasses and vegetation. Residents should remain aware that small fires can still occur and spread under these conditions.

Cooling Center Information

Cooling centers will be available for those needing relief from the heat:

CAPSLO Prado HSC Cooling Center
City of San Luis Obispo & Morro Bay
Monday – Friday, March 16 – 20, 2026

Residents are encouraged to utilize these facilities during peak heat periods.

Safety Tips for Staying Cool and Protected:

• Stay hydrated by drinking water regularly, even if you do not feel thirsty
• Avoid strenuous outdoor activity during peak heat hours (typically 10 AM – 6 PM)
• Wear lightweight, light-colored, and loose-fitting clothing
• Check on neighbors, especially those who may be more vulnerable to heat
• Use air conditioning or visit cooling centers if available

Critical Reminder: Children and Pets in Vehicles

Leaving a child or pet in a parked vehicle can quickly become life-threatening. Temperatures inside a vehicle can increase by 20 degrees or more in just 10 minutes. Even on mild days, conditions inside a car can reach dangerous levels.

If you see a child or pet left unattended in a vehicle, call 911 immediately.

Outdoor Worker Safety

California OSHA regulations require employers to provide access to water, shade, and rest breaks when temperatures exceed 80°F, with additional high-heat requirements beginning at 95°F.

At higher temperatures, employers must:

• Closely observe workers for signs of heat illness
• Maintain effective communication
• Encourage frequent water intake and cool-down rest breaks
• Monitor weather conditions and adjust operations as needed
• Ensure supervisors are trained to recognize and respond to heat illness

Know the Signs of Heat Illness

• Heat exhaustion: heavy sweating, dizziness, nausea, headache
• Heat stroke (medical emergency): confusion, hot/dry skin, loss of consciousness

If someone is experiencing signs of heat stroke, call 911 immediately.

Residents are encouraged to sign up for AlertSLO to receive emergency notifications and updates.

The San Luis Obispo Fire Department will continue to monitor conditions and respond as needed to ensure community safety.

For more information and safety tips, visit PrepareSLO or follow the City of San Luis Obispo Fire Department on social media. @slocityfd

For media inquiries, please contact:        

Joe Little

Emergency Manager

Fire Department

City of San Luis Obispo

jlittle@slocity.org