Big Eau Pleine Reservoir Weather Forecast

    • 61
    • 84

    Slight Chance Thunderstorms

    • 56
    • 77

    Slight Chance Thunderstorms

    • 56
    • 71

    Mostly Cloudy

    • 58
    • 73

    Chance Thunderstorms

    • 58
    • 74

    Chance Rain Showers

    • 55
    • 73

    Chance Rain Showers

    • 51
    • 69

    Mostly Sunny

Today 17 Sep Marathon

Partly cloudy. Temperatures in the lower to mid 80s. Light and variable wind.

Tonight 17 Sep Marathon

Mostly cloudy with a slight chance of Showers and Thunderstorms. Patchy fog after midnight. Lows around 60. Light and variable wind. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Eau Pleine Reservoir Temperature Statistics

September Temperature

Mosinee (6.2 miles)

  • Lowest 4 September, 2025

    37.4 °F

  • Average September

    57.1 °F

  • Highest 15 September, 2025

    80.6 °F

Climate (2020–Present)

Mosinee (6.2 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    43 °F

  • Average High 2020–2025

    53.3 °F
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