Message from the AlertSanDiego Alert & Warning System October 1, 2026:
An Extreme Heat Warning has been issued for the City of San Diego’s beaches, valleys, foothills, and mesas by the National Weather Service (NWS) with dangerously high temperatures from 10:00AM on October 2nd to 8:00PM on October 8th.
This information may change as weather conditions evolve. The City of San Diego’s Office of Emergency Services is encouraging everyone to take safety precautions during the heat. The City designates certain recreation centers and libraries for San Diegans to seek relief from the heat. Individual locations and safety resources are listed on the City’s website: https://www.sandiego.gov/
PlacesToCoolDown Please take steps to stay safe:
• Stay indoors or in shaded areas whenever possible.
• Drink plenty of water throughout the day.
• Never leave children or pets unattended in vehicles.
• If you begin experiencing symptoms of heat-related illness, call 9-1-1 immediately.Thank you for taking precautions to protect yourself, your family, and your pets.
• Find a cool place to go and tips to beat the heat at sandiego.gov/PlacesToCoolDown
• Visit the San Diego National Weather Service for more information and a map.
• Follow @NWSSanDiego for updates.
• Ensure your friends and family are registered for emergency alerts at Alertsd.org
During periods of extreme heat, the City designates certain recreation centers, libraries and other public buildings as places for San Diegans to seek relief from warmer weather. Designated locations will be available during site open hours, and additional locations may be added. Dates may also be extended depending on the severity and duration of the heatwave. Service animals will be allowed entry.
- Places to Cool Down: For more information, visit: https://www.sandiego.gov/PlacesToCoolDown
- Stay Informed with Emergency Notifications: https://www.sandiego.gov/oes/informed
