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El Niño Tracker — San Francisco, United States

Real-time weather, precipitation forecast, and flood vulnerability assessment for San Francisco, United States.

California • 37.7749° N, 122.4194° W

San Francisco SYNCING TELEMETRY...

Current Temperature

— °C

48h Rain Forecast

— mm

Soil Moisture

— %

River / Runoff Flow

— m³/s

Wind Velocity

— km/h

Connected to Open-Meteo & GloFAS Updating...

7-Day Weather & Rainfall Forecast for San Francisco

Day Forecast Weather Max Temp Min Temp Precipitation Sum Rain Probability
Loading 7-day supercomputer forecast...

El Niño Climate & Flood Risk Context

In the United States, El Niño creates a classic dipole: the Pacific jet stream extends eastward, delivering storm after storm and above-normal winter precipitation across California, the Southwest, and the Gulf Coast, while the northern tier and Ohio Valley experience milder, drier winters. In San Francisco, flood risk increases when antecedent soil moisture prevents rainwater from infiltrating, forcing runoff into local municipal drains and river channels.

Nearby Monitored Cities in United States

View the full national assessment for El Niño in United States.

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Frequently Asked Questions

How does El Niño affect San Francisco?

San Francisco experiences climate variations consistent with United States's regional teleconnections. Monitor 48-hour rainfall and river stages during peak seasons.

What is the current flood risk score for San Francisco?

The live score combines 48h forecast rainfall, near-surface soil moisture, and GloFAS river discharge ratio displayed in the telemetry panel above.

Where does the weather data for San Francisco come from?

From the Open-Meteo API, combining ECMWF, GFS, and ICON high-resolution numerical weather prediction models.