Sioux City Weather Forecast

    • 8
    • 30

    Snow

    • 9
    • 13

    Mostly Cloudy

    • 22
    • 31

    Mostly Cloudy

    • 18
    • 42

    Mostly Cloudy

    • 15
    • 26

    Slight Chance Snow

    • 8
    • 25

    Mostly Cloudy

Today 6 Dec Woodbury

Snow. A slight chance of Thunderstorms and freezing rain this afternoon. Snow accumulation of 2 to 4 Inches. Additional ice accumulation around a trace. Near steady temperature in the upper 20s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation near 100 percent.

Tonight 6 Dec Woodbury

Mostly cloudy. Snow likely in the evening. Additional snow accumulation up to 1 inch. Cold with Lows around 8 above. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 70 percent.

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Sioux City Temperature Statistics

December Temperature

Sioux City, Sioux Gateway Airport (6.2 miles)

  • Lowest 4 December, 2025

    -9 °F

  • Average December

    14.6 °F

  • Highest 3 December, 2025

    36 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (6.2 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    62.7 °F
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