Sugar River Forest Preserve Weather Forecast

    • 12
    • 27

    Snow

    • 16
    • 23

    Chance Snow

    • -6
    • 31

    Chance Snow

    • -6
    • 11

    Cold

    • 13
    • 22

    Slight Chance Snow

    • 13
    • 28

    Chance Snow

Today 1 Dec Winnebago

A slight chance of snow late in the morning. Snow in the afternoon. Snow accumulation around an inch. Highs in the upper 20s. South Winds around 5 Mph. Chance of precipitation near 100 percent.

Tonight 1 Dec Winnebago

Snow in the evening. Total snow accumulation of 2 to 3 Inches. Lows around 12. Southwest Winds around 5 Mph, becoming west after midnight. Chance of precipitation near 100 percent.

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Sugar River Forest Preserve Temperature Statistics

December Temperature

Janesville-Rock County (14.3 miles)

  • Lowest

  • Average December

  • Highest

Climate (2020–Present)

Janesville-Rock County (14.3 miles)

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  • Average Low 2020–2025

    40.5 °F
  • Average 2020–2025

    48.8 °F
  • Average High 2020–2025

    60.4 °F
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