Big Sioux County Park Weather Forecast

    • 31
    • 52

    Breezy

    • 30
    • 57

    Becoming Sunny

    • 48
    • 73

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 61
    • 86

    Chance Rain Showers

    • 39
    • 80

    Chance Thunderstorms

    • 34
    • 57

    Slight Chance Rain Showers

Today 18 Apr Plymouth

Sunny, breezy with Highs in the lower 50s. Northwest Winds 20 to 25 Mph with Gusts up to 35 Mph.

Tonight 18 Apr Plymouth

Mostly clear this Evening, then becoming partly cloudy. Breezy with Lows in the lower 30s. West Winds 20 to 25 Mph with Gusts up to 35 Mph, becoming southwest 5 to 10 Mph after midnight.

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Big Sioux County Park Temperature Statistics

April Temperature

Le Mars Municipal Airport (18 miles)

  • Lowest 10 April, 2026

    24.8 °F

  • Average April

    47.7 °F

  • Highest 12 April, 2026

    87.8 °F

Climate (2021–Present)

Le Mars Municipal Airport (18 miles)

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  • Average Low 2021–2026

    37.7 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    60.2 °F
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