Sioux Council Boy Scout Reservation Weather Forecast

    • 63
    • 90

    Mostly Cloudy

    • 60
    • 82

    Slight Chance Thunderstorms

    • 60
    • 82

    Thunderstorms Likely

    • 58
    • 84

    Chance Thunderstorms

    • 56
    • 84

    Chance Thunderstorms

    • 55
    • 83

    Slight Chance Thunderstorms

Today 28 May Yankton

Mostly cloudy. Highs around 90. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph in the afternoon.

Tonight 28 May Yankton

Mostly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sioux Council Boy Scout Reservation Temperature Statistics

May Temperature

Yankton, Chan Gurney Municipal Airport (11.2 miles)

  • Lowest 6 May, 2026

    30 °F

  • Average May

    59.5 °F

  • Highest 25 May, 2026

    93 °F

Climate (2021–Present)

Yankton, Chan Gurney Municipal Airport (11.2 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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