Effigy Mounds National Monument Weather Forecast

    • 45
    • 52

    Rain Showers Likely

    • 41
    • 63

    Mostly Cloudy

    • 43
    • 66

    Partly Sunny

    • 45
    • 66

    Chance Rain Showers

    • 46
    • 67

    Chance Rain Showers

    • 47
    • 66

    Chance Rain Showers

    • 48
    • 68

    Partly Sunny

Today 21 May Clayton

Mostly cloudy with a 50 percent chance of Showers. Near steady temperature in the lower 50s. Northwest Winds 5 to 10 Mph.

Tonight 21 May Clayton

Cloudy. A chance of rain Showers this Evening, then a slight chance of rain Showers after midnight. Lows in the mid 40s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Effigy Mounds National Monument Temperature Statistics

May Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 9 May, 2025

    37.4 °F

  • Average May

    60.4 °F

  • Highest 15 May, 2025

    88.7 °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

    59 °F
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