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Winter storms in San Francisco

Cropped, stormy, cloudy sunset view of the distant Golden Gate Bridge which crosses over the San Francisco Bay connecting the city of San Francisco, California and Marin County, California.

Learn how you can plan, prepare, and protect yourself and your property from winter storms.

A young woman is organizing an emergency survival kit on her living room couch, emphasizing preparedness.

Prepare for a storm

Find safety tips to help you have a safe winter and protect yourself and your property.

Learn how you can prepare for a storm
White sandbags for flood defense sitting on top of one another.

Get free sandbags

SF residents and businesses can get up to 10 free sandbags before and during severe storms.

Get free sandbags
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Check the flood risk map

Enter your address in the searchable Flood Map and check if your property is in a flood risk zone.

Check if your property is at flood risk
Shot of empty Dolores Park in San Francisco.

Park closures

Avoid visiting parks during storms. Strong gusts can topple trees and snap limbs, and flooding may happen. 

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Get help

Report all non-life threatening storm-related issues to 311. Help us keep 911 available for life and safety emergencies.

Visit the 311 Customer Service Center
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Sign up for storm updates

Text your zip code to 888-777 to get emergency text message alerts about the storms. Stay informed and keep yourself safe. 

Pedestrians carrying umbrellas as they cross the street at a crosswalk during rainfall.

Tips to stay safe during a storm

  • Avoid using candles during power outages to prevent fire hazards. Use flashlights or head lamps instead.
  • Avoid lower elevation streets, drainage channels, and other areas that may flood.
  • Avoid driving during heavy rains and winds.
  • Check on friends and family who may need help during the storm (especially elderly, homebound, or neighbors with disabilities).

See more storm safety tips