Riverside hurricane guide¶

The City of Riverside Ready Riverside program says the climate and topography make flooding a reality in Riverside, and that certain parts of the city are more likely to flood. The city has posted guidance for residents before tropical storm rain in the past. See the Riverside County page for county agencies.

Official website: riversideca.gov

What to know in Riverside¶

• The city says flood insurance takes 30 days to take effect, and it points residents to the FEMA Flood Map Service Center to learn their flood risk. It asks residents to report clogged catch basins to 311.

Emergency and information numbers¶

Official alerts and information¶

• Riverside Alert: Free city alerts. Sign up before a storm. Website.
• Ready Riverside flooding page: The city's flood safety, flood insurance, and sandbag page. Website.

County services that cover Riverside¶

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

• Official list of open evacuation centers
• Alert RivCo: Free alerts by text, email, or phone. Sign up before a storm. Landlines are enrolled automatically, but cell phones and internet phones must be registered. Some cities also run their own alert systems. Website.
• Genasys Protect (county alerting app): The county also uses the Genasys Protect app and encourages residents to sign up for both Alert RivCo and Protect. 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://riversideca.gov/readyriverside/be-informed/hazards/flooding
• https://www.riversideca.gov/gov-whotocall.asp
• https://www.riversideca.gov/rpd/about-contact/administration/support-services/dispatch
• https://riversideca.gov/readyriverside