Missouri National Recreation River Weather Forecast

    • 61
    • 85

    Slight Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

    • 67
    • 86

    Chance Thunderstorms

    • 67
    • 90

    Slight Chance Thunderstorms

    • 66
    • 89

    Chance Thunderstorms

Today 5 Jul Knox

Mostly sunny. A slight chance of Showers and Thunderstorms. Highs in the mid 80s. Northwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 5 Jul Knox

Mostly clear. Humid with Lows in the lower 60s. North Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Real-Time

Missouri National Recreation River Temperature Statistics

July Temperature

Yankton, Chan Gurney Municipal Airport (13.7 miles)

  • Lowest 1 July, 2025

    61 °F

  • Average July

    78.6 °F

  • Highest 3 July, 2025

    93.9 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    61.3 °F
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