Big Sandy Lake Weather Forecast

    • 21
    • 34

    Increasing Clouds

    • 27
    • 39

    Mostly Cloudy

    • 18
    • 39

    Mostly Cloudy

    • 19
    • 36

    Partly Sunny

    • 20
    • 38

    Chance Snow

    • 25
    • 40

    Partly Sunny

    • 26
    • 42

    Slight Chance Snow

Today 8 Feb Monroe

Mostly sunny. Highs in the lower 30s. Southeast Winds 10 to 15 Mph.

Tonight 8 Feb Monroe

Mostly cloudy. Lows around 20. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sandy Lake Temperature Statistics

February Temperature

Sparta, Sparta / Fort McCoy Airport (2.5 miles)

  • Lowest 4 February, 2026

    -9.6 °F

  • Average February

    20.2 °F

  • Highest 6 February, 2026

    37.9 °F

Climate (2021–Present)

Sparta, Sparta / Fort McCoy Airport (2.5 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    58 °F
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