Big Sioux River Corridor Weather Forecast

    • 61
    • 76

    Mostly Cloudy

    • 61
    • 76

    Chance Thunderstorms

    • 63
    • 78

    Chance Rain Showers

    • 67
    • 82

    Slight Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

    • 69
    • 89

    Slight Chance Thunderstorms

Today 2 Aug Plymouth

Mostly sunny. Areas of smoke. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 2 Aug Plymouth

Partly cloudy. Areas of smoke. Lows in the mid 50s. Southeast Winds around 5 Mph.

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Big Sioux River Corridor Temperature Statistics

August Temperature

Sioux City, Sioux Gateway Airport (19.3 miles)

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  • Average August

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Climate (2020–Present)

Sioux City, Sioux Gateway Airport (19.3 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    62.6 °F
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