Gateway Lake Weather Forecast

    • 22
    • 54

    Mostly Cloudy

    • 25
    • 41

    Chance Snow

    • 31
    • 56

    Mostly Sunny

    • 24
    • 63

    Partly Sunny

    • 13
    • 39

    Chance Snow

    • 18
    • 31

    Chance Snow

Today 24 Feb Dakota

Mostly cloudy with a chance of Sprinkles. Not as cool. Near steady temperature in the lower 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 24 Feb Dakota

Mostly cloudy. Lows in the lower 20s. Northwest Winds 10 to 15 Mph, becoming north around 5 Mph after midnight.

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  • Temperature Forecast NOAA

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Gateway Lake Temperature Statistics

February Temperature

Sioux City, Sioux Gateway Airport (3.1 miles)

  • Lowest 22 February, 2026

    5 °F

  • Average February

    35.7 °F

  • Highest 9 February, 2026

    75.7 °F

Climate (2021–Present)

Sioux City, Sioux Gateway Airport (3.1 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    63.2 °F
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