Effigy Mounds National Monument Weather Forecast

    • 49
    • 55

    Rain Showers Likely

    • 59
    • 72

    Rain Showers

    • 61
    • 76

    Chance Thunderstorms

    • 58
    • 81

    Rain Showers Likely

    • 53
    • 75

    Chance Rain Showers

    • 55
    • 77

    Chance Rain Showers

Today 11 Apr Clayton

Mostly cloudy. Rain Showers likely with a slight chance of Thunderstorms this afternoon. Highs in the mid 50s. Southeast Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 11 Apr Clayton

Showers likely with a chance of Thunderstorms. Warmer with Lows in the upper 40s. Temperature rising into the mid 50s after midnight. Southeast Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Effigy Mounds National Monument Temperature Statistics

April Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 7 April, 2026

    26.2 °F

  • Average April

    42.2 °F

  • Highest 8 April, 2026

    70.7 °F

Climate (2021–Present)

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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