Effigy Mounds National Monument Weather Forecast

    • 53
    • 77

    Mostly Sunny

    • 48
    • 74

    Partly Sunny

    • 45
    • 67

    Partly Sunny

    • 53
    • 70

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

    • 56
    • 78

    Partly Sunny

Today 6 Oct Clayton

Mostly sunny. Highs in the mid 70s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon.

Tonight 6 Oct Clayton

Partly cloudy. Lows in the mid 50s. Southwest Winds 5 to 10 Mph, becoming west after midnight.

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Effigy Mounds National Monument Temperature Statistics

October Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 2 October, 2026

    42.8 °F

  • Average October

    57.4 °F

  • Highest 4 October, 2026

    70.3 °F

Climate (2021–2026)

Prairie Du Chien Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59.5 °F
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