Lewis and Clark Lake Weather Forecast

    • 68
    • 94

    Sunny

    • 69
    • 96

    Sunny

    • 69
    • 97

    Hot

    • 69
    • 98

    Hot

    • 72
    • 98

    Hot

    • 75
    • 99

    Hot

Today 11 Jul Knox

Sunny. Highs in the mid 90s. South Winds 5 to 10 Mph.

Tonight 11 Jul Knox

Mostly clear. Lows in the upper 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis and Clark Lake Temperature Statistics

July Temperature

Yankton, Chan Gurney Municipal Airport (8.1 miles)

  • Lowest 3 July, 2026

    64.9 °F

  • Average July

    77.9 °F

  • Highest 2 July, 2026

    91 °F

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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