South Sioux City Weather Forecast

    • 22
    • 32

    Chance Flurries

    • 23
    • 36

    Mostly Cloudy

    • 33
    • 53

    Mostly Sunny

    • 21
    • 45

    Partly Sunny

    • 27
    • 49

    Partly Sunny

    • 30
    • 49

    Partly Sunny

    • 31
    • 56

    Partly Sunny

Today 3 Feb Dakota

Cloudy with a chance of Flurries. Highs in the lower 30s. North Winds around 5 Mph.

Tonight 3 Feb Dakota

Cloudy with a chance of Flurries. Lows in the lower 20s. Light and variable Winds, becoming northwest around 5 Mph after midnight.

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South Sioux City Temperature Statistics

February Temperature

Sioux City, Sioux Gateway Airport (4.3 miles)

  • Lowest 1 February, 2026

    16 °F

  • Average February

    29.9 °F

  • Highest 1 February, 2026

    46 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (4.3 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    62.8 °F
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