Effigy Mounds National Monument Weather Forecast

    • -11
    • 6

    Cold

    • 4
    • 11

    Partly Sunny

    • -3
    • 12

    Partly Sunny

    • -6
    • 12

    Mostly Cloudy

    • -3
    • 13

    Partly Sunny

    • -1
    • 15

    Partly Sunny

Today 25 Jan Clayton

Mostly sunny. Highs around 6 above. North Winds 5 to 10 Mph. Wind chill Values as low as 15 below.

Tonight 25 Jan Clayton

Partly cloudy. Cold with Lows around 11 below. Northwest Winds 5 to 10 Mph. Wind chill Values as low as 25 below after midnight.

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Effigy Mounds National Monument Temperature Statistics

January Temperature

Prairie Du Chien Municipal Airport (5.6 miles)

  • Lowest 23 January, 2026

    -10.7 °F

  • Average January

    23.2 °F

  • Highest 13 January, 2026

    50.4 °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

    49.7 °F

  • Average High 2021–2026

    59.2 °F
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