Effigy Mounds National Monument Weather Forecast

    • 76
    • 95

    Increasing Clouds

    • 74
    • 94

    Rain Showers Likely

    • 74
    • 93

    Rain Showers Likely

    • 71
    • 92

    Rain Showers Likely

    • 69
    • 89

    Chance Thunderstorms

    • 69
    • 89

    Chance Thunderstorms

    • 65
    • 85

    Chance Thunderstorms

Today 29 Jun Clayton

Mostly sunny. Hot with Highs in the lower 90s. South Winds 10 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 110.

Tonight 29 Jun Clayton

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. South Winds 10 to 20 Mph. Gusts up to 30 Mph this evening. Chance of rain 20 percent. Heat index Values up to 105 early this evening.

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  • Temperature Real-Time

Effigy Mounds National Monument Temperature Statistics

June Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 15 June, 2026

    48.2 °F

  • Average June

    68 °F

  • Highest 4 June, 2026

    87.3 °F

Climate (2021–2026)

Prairie Du Chien Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59.5 °F
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