Big Eau Pleine Reservoir Weather Forecast

    • 63
    • 79

    Chance Rain Showers

    • 50
    • 76

    Partly Sunny

    • 44
    • 65

    Partly Sunny

    • 55
    • 66

    Rain Showers

    • 48
    • 69

    Mostly Cloudy

    • 50
    • 66

    Chance Rain Showers

    • 48
    • 68

    Slight Chance Thunderstorms

Today 11 Sep Marathon

Partly cloudy. Nearly steady temperature in the upper 70s. South wind 10 to 15 Mph.

Tonight 11 Sep Marathon

Warmer. Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the lower 60s. South wind 10 to 15 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 7 September, 2026

    55.4 °F

  • Average September

    68.5 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Mosinee (6.2 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    53.6 °F
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