Lewis and Clark Lake Weather Forecast

    • 69
    • 94

    Increasing Clouds

    • 65
    • 88

    Chance Thunderstorms

    • 64
    • 93

    Chance Thunderstorms

    • 72
    • 98

    Chance Thunderstorms

    • 70
    • 99

    Chance Rain Showers

    • 65
    • 92

    Chance Thunderstorms

Today 6 Jun Knox

Mostly sunny. Highs in the mid 90s. Southeast Winds 5 to 10 Mph, increasing to around 15 Mph in the afternoon.

Tonight 6 Jun Knox

Mostly clear. Near steady temperature in the mid 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis and Clark Lake Temperature Statistics

June Temperature

Yankton, Chan Gurney Municipal Airport (8.1 miles)

  • Lowest 1 June, 2026

    60.1 °F

  • Average June

    72.9 °F

  • Highest 3 June, 2026

    87.1 °F

Climate (2021–Present)

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

    61.9 °F
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