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South Sioux City weather

Current conditions and a 14-day forecast for South Sioux City, United States. Looking for typical seasonal weather instead? See the historical climate averages.

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Frequently asked questions

What's the weather like in South Sioux City today?

Current conditions and today's forecast for South Sioux City, United States are shown above, refreshed regularly through the day.

How accurate is a 14-day forecast?

A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.

What is South Sioux City's weather usually like?

For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see South Sioux City's climate page rather than this live forecast.