San Diego County said the National Weather Service predicts rain late Thursday night through Friday morning and several rounds of rain over the weekend.

The county said the highest rainfall amounts are expected near the coast and winds could increase over the mountains and deserts.

The county recommended residents register for Emergency Alerts; make a personalized emergency plan; and build an emergency kit with water, nonperishable food, medications, documents, flashlights, batteries and pet supplies.

The county pointed readers to its information hub, "El Niño 2026: What San Diego County Residents Need to Know," which lists sand and sandbag locations, resources available from cities and regional organizations, resources for businesses and how the county is preparing and responding.

Residents can find preparedness tips in more than 120 languages at AlertSanDiego.org; the county posted the advisory on Nov. 12, 2026.

Check local forecasts, secure loose outdoor items and follow official alerts for road closures or other advisories; the county's notice links to steps and resources to prepare for heavier rain and gusty winds.

Sources & methodology

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County of San Diego

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