El Niño and Servere Weather
UCSF is preparing for the 2026-2027 El Niño season by keeping storm drains clear, gathering water-intrusion response supplies, and monitoring areas prone to flooding.
You can get ready for anticipated El Niño-related wet weather and flooding this winter by staying informed and planning ahead. Join UCSF in taking action now to prepare.
- Learn more about El Nino and how to prepare by visiting Ready California.
- Get detailed weather forecasts and check for active warnings from the National Weather Service.
- Check whether your location is prone to flooding or other risks by entering the address at California My Hazards.
For general information on how to prepare for the first 72 hours of an emergency, go to:
- SF72.org - provided by the San Francisco Department of Emergency Management (SFDEM)
- Ready.gov - produced by FEMA
If you have a life threatening emergency, dial 911.
For the latest emergency updates, alerts, and information in your county please see the following links
San Francisco City and County Emergency Alerts
Alameda County Alerts and Preparedness
Contra Costa County Emergency Alerts
Santa Clara County Emergency Alerts
San Mateo County Emergency Alerts
Sonoma County Emergency Alerts
Solano County Emergency Alerts
Fresno County Emergency Resources and Alerts