Effigy Mounds National Monument Weather Forecast

    • 10
    • 25

    Becoming Sunny

    • 25
    • 26

    Snow Likely

    • 7
    • 34

    Chance Snow

    • -1
    • 13

    Mostly Cloudy

    • 3
    • 16

    Mostly Cloudy

    • 1
    • 15

    Mostly Cloudy

Today 14 Jan Clayton

Sunny, breezy and much Colder. Near steady temperature in the lower 20s. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 14 Jan Clayton

Clear in the Evening, then becoming partly cloudy. Colder with Lows around 10 above. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Effigy Mounds National Monument Temperature Statistics

January Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 1 January, 2026

    11.3 °F

  • Average January

    28.8 °F

  • Highest 12 January, 2026

    47.1 °F

Climate (2021–Present)

Prairie Du Chien Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    59.3 °F
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