Big Eau Pleine Reservoir Weather Forecast

    • 46
    • 72

    Becoming Sunny

    • 52
    • 69

    Mostly Cloudy

    • 50
    • 72

    Chance Rain Showers

    • 53
    • 65

    Rain Showers

    • 52
    • 69

    Chance Rain Showers

    • 47
    • 67

    Chance Rain Showers

Today 15 Sep Marathon

Breezy. Cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. A slight chance of drizzle in the morning. Highs in the lower 70s. Southwest wind 10 to 15 Mph shifting to the west 15 to 25 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 15 Sep Marathon

Cooler. Partly cloudy in the evening then clearing. Lows in the middle 40s. Northwest wind 5 to 10 Mph in the evening becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Eau Pleine Reservoir Temperature Statistics

September Temperature

Mosinee (6.2 miles)

  • Lowest 13 September, 2026

    44.6 °F

  • Average September

    65.8 °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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