South Sioux City Weather Forecast

    • 34
    • 57

    Increasing Clouds

    • 41
    • 71

    Mostly Sunny

    • 46
    • 76

    Partly Sunny

    • 42
    • 76

    Chance Rain Showers

    • 41
    • 68

    Partly Sunny

    • 48
    • 77

    Partly Sunny

Today 6 May Dakota

Widespread frost this morning. Mostly sunny. Highs in the mid 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 6 May Dakota

Partly cloudy. Lows in the mid 30s. Northwest Winds 10 to 15 Mph, becoming southwest 5 to 10 Mph after midnight.

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South Sioux City Temperature Statistics

May Temperature

Sioux City, Sioux Gateway Airport (4.3 miles)

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Climate (2021–Present)

Sioux City, Sioux Gateway Airport (4.3 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    63.2 °F
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