Alsen Weather Forecast

    • 71
    • 94

    Mostly Sunny

    • 70
    • 93

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 72
    • 89

    Rain Showers Likely

    • 63
    • 88

    Chance Rain Showers

    • 60
    • 85

    Partly Sunny

    • 61
    • 82

    Slight Chance Rain Showers

Today 4 Sep Clay

Sunny. Near steady temperature in the lower 90s. East Winds 5 to 10 Mph. Heat index Values up to 112.

Tonight 4 Sep Clay

Mostly clear. Lows in the lower 70s. East Winds 5 to 10 Mph. Heat index Values up to 103 early this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alsen Temperature Statistics

September Temperature

Yankton, Chan Gurney Municipal Airport (29.2 miles)

  • Lowest 2 September, 2026

    66.9 °F

  • Average September

    77.6 °F

  • Highest 2 September, 2026

    91.9 °F

Climate (2021–2026)

Yankton, Chan Gurney Municipal Airport (29.2 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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