Big Sandy Lake Weather Forecast

    • 33
    • 69

    Rain Showers

    • 34
    • 56

    Chance Rain Showers

    • 30
    • 55

    Mostly Sunny

    • 47
    • 61

    Rain Showers

    • 61
    • 71

    Rain Showers Likely

    • 49
    • 78

    Rain Showers Likely

    • 30
    • 60

    Chance Rain Showers

Today 8 Apr Monroe

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Breezy and much warmer with Highs in the upper 60s. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 50 percent.

Tonight 8 Apr Monroe

Mostly cloudy with rain Showers likely with a slight chance of Thunderstorms this Evening, then mostly clear after midnight. Lows in the mid 30s. West Winds 10 to 20 Mph. Gusts up to 30 Mph this evening. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sandy Lake Temperature Statistics

April Temperature

Sparta, Sparta / Fort McCoy Airport (2.5 miles)

  • Lowest 6 April, 2026

    27.5 °F

  • Average April

    38.1 °F

  • Highest 5 April, 2026

    55.2 °F

Climate (2021–Present)

Sparta, Sparta / Fort McCoy Airport (2.5 miles)

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  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    58.1 °F
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