Effigy Mounds National Monument Weather Forecast

    • 0
    • 14

    Partly Sunny

    • 2
    • 19

    Mostly Sunny

    • 14
    • 24

    Chance Snow

    • 11
    • 26

    Mostly Cloudy

    • 14
    • 27

    Mostly Cloudy

    • 13
    • 28

    Slight Chance Snow

Today 30 Jan Clayton

Partly sunny. Highs around 12. North Winds 10 to 15 Mph. Wind chill Values as low as 15 below in the morning.

Tonight 30 Jan Clayton

Partly cloudy with a chance of Flurries. Cold. Near steady temperature around 1 below. Northwest Winds around 5 Mph.

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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

    22 °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

    49.8 °F

  • Average High 2021–2026

    59.3 °F
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