Big Eau Pleine Reservoir Weather Forecast

    • 64
    • 73

    Rain Showers Likely

    • 52
    • 77

    Mostly Sunny

    • 52
    • 73

    Sunny

    • 60
    • 77

    Rain Showers Likely

    • 50
    • 74

    Partly Sunny

    • 49
    • 67

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

Today 8 Sep Marathon

Humid. Cloudy with a chance of Showers. Highs in the lower 70s. South wind 10 to 15 Mph. Chance of rain 50 percent.

Tonight 8 Sep Marathon

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Patchy fog after midnight. Lows in the lower 60s. Southwest wind 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Eau Pleine Reservoir Temperature Statistics

September Temperature

Mosinee (6.2 miles)

  • Lowest 6 September, 2026

    59 °F

  • Average September

    69.7 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (6.2 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    53.6 °F
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