Effigy Mounds National Monument Weather Forecast

    • 35
    • 54

    Increasing Clouds

    • 44
    • 67

    Partly Sunny

    • 53
    • 79

    Partly Sunny

    • 30
    • 67

    Chance Rain Showers

    • 27
    • 49

    Chance Rain/Snow

    • 32
    • 46

    Chance Rain Showers

Today 28 Mar Clayton

Mostly sunny and Breezy, warmer with Highs in the mid 50s. Southwest Winds 5 to 10 Mph, increasing to 15 to 25 Mph with Gusts up to 35 Mph this afternoon.

Tonight 28 Mar Clayton

Partly cloudy. Not as cool with Lows in the mid 30s. South Winds 10 to 20 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Effigy Mounds National Monument Temperature Statistics

March Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 1 March, 2026

    9.7 °F

  • Average March

    41.5 °F

  • Highest 21 March, 2026

    83.1 °F

Climate (2021–Present)

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

    59.5 °F
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