Alsen Weather Forecast

    • 67
    • 85

    Increasing Clouds

    • 58
    • 81

    Chance Thunderstorms

    • 49
    • 74

    Mostly Sunny

    • 46
    • 73

    Mostly Sunny

    • 46
    • 70

    Partly Sunny

    • 49
    • 71

    Partly Sunny

Today 21 Aug Clay

Sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Aug Clay

Mostly clear in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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Alsen Temperature Statistics

August Temperature

Yankton, Chan Gurney Municipal Airport (29.2 miles)

  • Lowest 2 August, 2025

    57.7 °F

  • Average August

    73.4 °F

  • Highest 8 August, 2025

    89.7 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (29.2 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    61.2 °F
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