Lake Henry Weather Forecast

    • 17
    • 31

    Chance Wintry Mix

    • 4
    • 23

    Snow

    • -14
    • 6

    Snow

    • 15
    • 22

    Partly Sunny

    • 19
    • 33

    Partly Sunny

    • 25
    • 40

    Partly Sunny

Today 11 Dec Bon Homme

Mostly cloudy. A chance of freezing rain this Morning, then a chance of Flurries with a slight chance of freezing rain this afternoon. Ice accumulation of up to a tenth of an inch. Not as cool with Highs in the mid 30s. Southeast Winds 10 to 15 Mph, becoming north 5 to 10 Mph this afternoon. Chance of precipitation 50 percent.

Tonight 11 Dec Bon Homme

Cloudy. Lows around 19. North Winds 10 to 15 Mph.

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Lake Henry Temperature Statistics

December Temperature

Yankton, Chan Gurney Municipal Airport (22.4 miles)

  • Lowest 3 December, 2025

    -4 °F

  • Average December

    23.4 °F

  • Highest 9 December, 2025

    46.9 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (22.4 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    61.4 °F
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