Effigy Mounds National Monument Weather Forecast

    • 68
    • 87

    Rain Showers

    • 63
    • 85

    Mostly Sunny

    • 65
    • 85

    Partly Sunny

    • 66
    • 87

    Chance Thunderstorms

    • 66
    • 87

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

Today 5 Jul Clayton

Partly sunny late this Morning, then mostly cloudy with Showers and Thunderstorms likely this afternoon. Highs in the mid 80s. Temperature falling to around 80 this afternoon. Southwest Winds 10 to 15 Mph. Chance of rain 70 percent. Heat index Values in the mid 90s this afternoon.

Tonight 5 Jul Clayton

Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Southwest Winds 10 to 15 Mph, becoming northwest 5 to 10 Mph after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Effigy Mounds National Monument Temperature Statistics

July Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 2 July, 2025

    62.1 °F
  • Average July

    75.9 °F
  • Highest 3 July, 2025

    90.5 °F

Climate (2020–Present)

Prairie Du Chien Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    40.1 °F
  • Average 2020–2025

    49.5 °F
  • Average High 2020–2025

    58.9 °F
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