North Sioux City Weather Forecast

    • 20
    • 38

    Increasing Clouds

    • 31
    • 47

    Partly Sunny

    • 30
    • 57

    Partly Sunny

    • 35
    • 56

    Chance Rain

    • 29
    • 51

    Partly Sunny

    • 28
    • 54

    Mostly Sunny

Today 22 Feb Union

Sunny. Not as cool with Highs around 40. Southwest Winds 5 to 10 Mph.

Tonight 22 Feb Union

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows around 20. Southwest Winds around 5 Mph.

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North Sioux City Temperature Statistics

February Temperature

Sioux City, Sioux Gateway Airport (9.9 miles)

  • Lowest 13 February, 2025

    -15.3 °F

  • Average February

    15.4 °F

  • Highest 2 February, 2025

    51.7 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (9.9 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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