Gateway Lake Weather Forecast

    • -3
    • 10

    Cold

    • -7
    • 15

    Partly Sunny

    • 9
    • 26

    Mostly Sunny

    • 5
    • 26

    Partly Sunny

    • 0
    • 26

    Partly Sunny

    • 2
    • 22

    Partly Sunny

Today 24 Jan Dakota

Mostly cloudy. Not as cold with Highs around 10 above. South Winds 5 to 10 Mph. Wind chill Values as low as 15 below.

Tonight 24 Jan Dakota

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows around 4 below. South Winds around 5 Mph.

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Gateway Lake Temperature Statistics

January Temperature

Sioux City, Sioux Gateway Airport (3.1 miles)

  • Lowest 19 January, 2026

    -2 °F

  • Average January

    27 °F

  • Highest 7 January, 2026

    63 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (3.1 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    62.8 °F
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