Effigy Mounds National Monument Weather Forecast

    • 48
    • 65

    Chance Rain Showers

    • 55
    • 75

    Rain Showers

    • 42
    • 70

    Partly Sunny

    • 50
    • 66

    Rain Showers Likely

    • 50
    • 67

    Chance Rain Showers

    • 50
    • 69

    Chance Rain Showers

Today 27 Oct Clayton

Cloudy. A chance of Showers early. Highs in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 27 Oct Clayton

Mostly cloudy in the Evening, then clearing. Lows in the upper 40s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Effigy Mounds National Monument Temperature Statistics

October Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 20 October, 2026

    37.6 °F

  • Average October

    57.5 °F

  • Highest 6 October, 2026

    78.8 °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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