Effigy Mounds National Monument Weather Forecast

    • 69
    • 92

    Severe Tstms

    • 57
    • 82

    Becoming Sunny

    • 54
    • 76

    Mostly Sunny

    • 58
    • 81

    Partly Sunny

    • 60
    • 81

    Mostly Sunny

    • 66
    • 87

    Mostly Sunny

    • 69
    • 94

    Chance Rain Showers

Today 20 Jul Clayton

Mostly sunny. Hot with Highs in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Heat index Values up to 105.

Tonight 20 Jul Clayton

Partly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the upper 60s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 50 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 12 July, 2026

    62.1 °F

  • Average July

    76.8 °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

    40.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59.6 °F
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