Big Sioux River Corridor Weather Forecast

    • 30
    • 52

    Mostly Sunny

    • 25
    • 55

    Slight Chance Rain

    • 30
    • 47

    Partly Sunny

    • 31
    • 53

    Mostly Cloudy

    • 18
    • 51

    Mostly Cloudy

    • 12
    • 32

    Mostly Cloudy

Today 29 Jan Plymouth

Sunny. Highs around 50. Southwest Winds 5 to 10 Mph.

Tonight 29 Jan Plymouth

Clear. Lows in the upper 20s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Big Sioux River Corridor Temperature Statistics

January Temperature

Sioux City, Sioux Gateway Airport (19.3 miles)

  • Lowest 20 January, 2025

    -13.3 °F

  • Average January

    19.1 °F

  • Highest 27 January, 2025

    53.1 °F

Climate (2020–Present)

Sioux City, Sioux Gateway Airport (19.3 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    62.4 °F
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