Marindahl Lake Weather Forecast

    • 56
    • 70

    Chance Rain Showers

    • 55
    • 70

    Chance Rain Showers

    • 57
    • 74

    Slight Chance Rain Showers

    • 60
    • 78

    Slight Chance Thunderstorms

    • 54
    • 77

    Partly Sunny

    • 54
    • 70

    Mostly Sunny

Today 18 Sep Yankton

Mostly cloudy. Patchy fog this morning. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs around 70. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 18 Sep Yankton

A slight chance of Thunderstorms in the evening. Mostly cloudy with a slight chance of Showers. Lows in the upper 50s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marindahl Lake Temperature Statistics

September Temperature

Yankton, Chan Gurney Municipal Airport (10.6 miles)

  • Lowest 7 September, 2025

    41 °F

  • Average September

    66.9 °F

  • Highest 16 September, 2025

    89.1 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    61.3 °F
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