South Park Weather Forecast

    • 32
    • 37

    Rain Likely

    • 33
    • 44

    Slight Chance Rain

    • 32
    • 45

    Mostly Cloudy

    • 7
    • 38

    Chance Snow

    • 7
    • 20

    Partly Sunny

    • 10
    • 28

    Mostly Cloudy

Today 25 Dec Sauk

Cloudy. Highs in the mid 30s. East Winds 5 to 15 Mph.

Tonight 25 Dec Sauk

Cloudy. Lows in the upper 20s. Northeast Winds up to 10 Mph.

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South Park Temperature Statistics

December Temperature

Reedsburg Municipal Airport (0.6 miles)

  • Lowest 14 December, 2025

    -7.8 °F

  • Average December

    19.5 °F

  • Highest 18 December, 2025

    42.8 °F

Climate (2020–Present)

Reedsburg Municipal Airport (0.6 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    57.6 °F
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