Effigy Mounds National Monument Weather Forecast

    • 14
    • 30

    Snow Likely

    • 13
    • 28

    Mostly Cloudy

    • 10
    • 24

    Partly Sunny

    • 8
    • 27

    Partly Sunny

    • 22
    • 38

    Mostly Cloudy

    • 15
    • 36

    Partly Sunny

Today 20 Feb Clayton

Snow this morning. Patchy blowing snow. Additional snow accumulation around an inch. Breezy, Colder. Near steady temperature in the mid 20s. Northwest Winds 15 to 25 Mph. Gusts up to 45 Mph, decreasing to 30 Mph this afternoon. Chance of snow 100 percent.

Tonight 20 Feb Clayton

Mostly cloudy in the Evening, then clearing. Colder with Lows around 14. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Effigy Mounds National Monument Temperature Statistics

February Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 4 February, 2026

    0.5 °F

  • Average February

    30.6 °F

  • Highest 16 February, 2026

    63.7 °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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