Big Eau Pleine Reservoir Weather Forecast

    • 64
    • 89

    Decreasing Clouds

    • 64
    • 87

    Chance Rain Showers

    • 62
    • 83

    Chance Thunderstorms

    • 63
    • 81

    Chance Thunderstorms

    • 61
    • 82

    Slight Chance Thunderstorms

    • 60
    • 81

    Partly Sunny

Today 31 Aug Marathon

Very warm and humid. Partly sunny. Highs in the upper 80s. South wind 5 to 10 Mph shifting to the west in the afternoon. Heat indices to 97.

Tonight 31 Aug Marathon

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the lower 60s. West wind 5 to 10 Mph in the evening becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Eau Pleine Reservoir Temperature Statistics

August Temperature

Mosinee (6.2 miles)

  • Lowest 20 August, 2026

    46.4 °F

  • Average August

    65.6 °F

  • Highest 1 August, 2026

    84.2 °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

    53.5 °F
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