San Dimas hurricane guide¶

San Dimas is a city in Los Angeles County. The city sends emergency alerts, including severe weather alerts, through its Rave alert system, and its emergency preparedness page has an El Niño and storm preparedness section that points to Los Angeles County. The pages reviewed do not describe hurricane or tropical storm risk, so see the Los Angeles County page for county agencies.

Official website: sandimasca.gov

Emergency and information numbers¶

Official alerts and information¶

• San Dimas emergency notifications (Rave): Free city alerts by phone, text, and email, including severe weather. Sign up before a storm. Do not assume you are already in the system. Website.
• San Dimas Emergency Preparedness: The city's emergency preparedness page, with El Niño and storm preparedness links. Website.

County services that cover San Dimas¶

Los Angeles County manages evacuation zones, evacuation centers, and emergency alerts for everyone who lives in San Dimas. The Los Angeles County guide has the full list of county numbers, radio stations, and recovery help.

• Official list of open evacuation centers
• Alert LA County: Free alerts by text, email, or phone. Sign up before a storm. Many cities run their own alert systems, listed on the county's Emergency Notifications page. Website.
• Ready LA County flooding guidance: The county's flood safety page. Website.

Related guides¶

• Should I evacuate?
• What to expect at a hurricane shelter
• Hurricane supply list
• After a hurricane: the first 24 hours
• Insurance claims and disaster aid

Sources¶

Checked on October 10, 2026. If a number or address here is wrong, please tell us at Keith@KMyers.me.

• https://sandimasca.gov/residents/public_safety/emergency_notifications.php
• https://sandimasca.gov/residents/public_safety/sheriffs_department.php
• https://sandimasca.gov/residents/public_safety/emergency_preparedness.php