Lewis and Clark Lake Weather Forecast

    • 61
    • 83

    Partly Sunny

    • 66
    • 87

    Mostly Sunny

    • 66
    • 90

    Rain Showers

    • 59
    • 77

    Rain Showers Likely

    • 60
    • 76

    Chance Rain Showers

    • 65
    • 80

    Partly Sunny

Today 1 Aug Knox

Mostly sunny. Highs in the lower 80s. North Winds 10 to 15 Mph.

Tonight 1 Aug Knox

Partly cloudy. Lows in the lower 60s. Northeast Winds 5 to 10 Mph, becoming southeast after midnight.

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Lewis and Clark Lake Temperature Statistics

August Temperature

Yankton, Chan Gurney Municipal Airport (8.1 miles)

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  • Average August

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Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (8.1 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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