South Sioux City Weather Forecast

    • 7
    • 20

    Becoming Sunny

    • 20
    • 37

    Partly Sunny

    • 31
    • 44

    Partly Sunny

    • 32
    • 55

    Partly Sunny

    • 36
    • 55

    Partly Sunny

    • 27
    • 50

    Chance Rain

Today 21 Feb Dakota

Sunny. Patchy blowing snow this afternoon. Highs around 20. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 12 below late this morning.

Tonight 21 Feb Dakota

Mostly clear. Not as cold with Lows around 8 above. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

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South Sioux City Temperature Statistics

February Temperature

Sioux City, Sioux Gateway Airport (4.3 miles)

  • Lowest 13 February, 2025

    -15.3 °F

  • Average February

    16.2 °F

  • Highest 2 February, 2025

    51.7 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (4.3 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    50.5 °F

  • Average High 2020–2025

    62.3 °F
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