Effigy Mounds National Monument Weather Forecast

    • 65
    • 86

    Decreasing Clouds

    • 67
    • 88

    Mostly Sunny

    • 68
    • 89

    Rain Showers Likely

    • 65
    • 81

    Rain Showers Likely

    • 64
    • 83

    Slight Chance Thunderstorms

    • 62
    • 86

    Mostly Sunny

Today 28 Jul Clayton

Mostly sunny. Not as warm. Humid with Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 28 Jul Clayton

Partly cloudy. Humid with Lows in the mid 60s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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Effigy Mounds National Monument Temperature Statistics

July Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 23 July, 2026

    51.8 °F

  • Average July

    75 °F

  • Highest 17 July, 2026

    91.9 °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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