Clover Valley Fen State Natural Area Weather Forecast

    • 17
    • 28

    Chance Wintry Mix

    • 15
    • 23

    Snow

    • -1
    • 20

    Chance Snow

    • 13
    • 21

    Chance Snow

    • 24
    • 34

    Rain/Snow

    • 10
    • 34

    Chance Snow

    • 6
    • 22

    Chance Snow

Today 5 Dec Walworth

Cloudy with a 20 percent chance of light snow. Southwest Winds 10 to 15 Mph.

Tonight 5 Dec Walworth

Not as cold. Cloudy. Light snow likely in the Evening, then chance of light snow in the late evening and early morning. Little snow accumulation. Lows around 18. West Winds 5 to 15 Mph. Chance of snow 60 percent.

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Clover Valley Fen State Natural Area Temperature Statistics

December Temperature

Janesville-Rock County (20.5 miles)

  • Lowest 1 December, 2025

    5 °F

  • Average December

    21.2 °F

  • Highest 3 December, 2025

    32 °F

Climate (2020–Present)

Janesville-Rock County (20.5 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.3 °F
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