Big Sioux County Park Weather Forecast

    • 50
    • 53

    Rain Showers Likely

    • 61
    • 73

    Chance Rain Showers

    • 56
    • 78

    Chance Rain Showers

    • 45
    • 72

    Mostly Sunny

    • 39
    • 62

    Mostly Sunny

    • 45
    • 64

    Sunny

    • 44
    • 70

    Mostly Sunny

Today 14 Oct Plymouth

Showers likely with a slight chance of Thunderstorms. Near steady temperature in the mid 50s. East Winds around 10 Mph. Chance of rain 70 percent.

Tonight 14 Oct Plymouth

A slight chance of Thunderstorms this evening. Cloudy with a chance of Showers. Near steady temperature in the lower 50s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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Big Sioux County Park Temperature Statistics

October Temperature

Le Mars Municipal Airport (18 miles)

  • Lowest 7 October, 2025

    37.4 °F

  • Average October

    65.3 °F

  • Highest 3 October, 2025

    89.6 °F

Climate (2020–Present)

Le Mars Municipal Airport (18 miles)

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  • Average Low 2020–2025

    37.4 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    59.6 °F
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