Big Sandy Lake Weather Forecast

    • 24
    • 32

    Wintry Mix

    • -2
    • 27

    Chance Snow Showers

    • 2
    • 21

    Chance Snow

    • -9
    • 19

    Slight Chance Snow

    • -15
    • 4

    Chance Snow

    • -7
    • 8

    Slight Chance Snow

Today 9 Dec Monroe

Snow and freezing rain. Snow accumulation little or no. Additional ice accumulation of less than one tenth of an inch. Not as cold. Near steady temperature in the upper 20s. South Winds 5 to 10 Mph. Chance of precipitation 90 percent.

Tonight 9 Dec Monroe

Snow with rain likely with freezing rain in the Evening, then snow Showers with rain Showers likely after midnight. Patchy blowing snow after midnight. Snow accumulation of 1 to 3 Inches. Ice accumulation of less than one tenth of an inch. Lows in the mid 20s. Southwest Winds 10 to 15 Mph, becoming northwest 15 to 20 Mph after midnight. Gusts up to 35 Mph. Chance of precipitation 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sandy Lake Temperature Statistics

December Temperature

Sparta, Sparta / Fort McCoy Airport (2.5 miles)

  • Lowest 4 December, 2025

    -12.3 °F

  • Average December

    16.4 °F

  • Highest 3 December, 2025

    29.8 °F

Climate (2020–Present)

Sparta, Sparta / Fort McCoy Airport (2.5 miles)

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  • Average Low 2020–2025

    34.7 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    58.1 °F
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