Niobrara State Park Weather Forecast

    • 48
    • 77

    Increasing Clouds

    • 55
    • 84

    Partly Sunny

    • 63
    • 83

    Slight Chance Thunderstorms

    • 56
    • 89

    Breezy

    • 53
    • 80

    Mostly Sunny

    • 60
    • 89

    Chance Rain Showers

    • 60
    • 88

    Chance Thunderstorms

Today 14 Jun Knox

Sunny. Highs in the mid 70s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 14 Jun Knox

Partly cloudy this Evening, then clearing. Lows in the upper 40s. Northwest Winds 5 to 10 Mph, becoming southwest after midnight.

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Niobrara State Park Temperature Statistics

June Temperature

Yankton, Chan Gurney Municipal Airport (36 miles)

  • Lowest 12 June, 2026

    59 °F

  • Average June

    74.6 °F

  • Highest 9 June, 2026

    95 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (36 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    61.8 °F
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