Opperman Lake Weather Forecast

    • 67
    • 80

    Rain Showers Likely

    • 58
    • 82

    Slight Chance Rain Showers

    • 51
    • 73

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

    • 49
    • 69

    Slight Chance Rain Showers

Today 7 Sep West Otter Tail

Cloudy. A slight chance of Showers early this Morning, then Showers likely and a chance of Thunderstorms this afternoon. Highs 75 to 80. Breezy. South Winds 15 to 25 Mph with Gusts to around 35 Mph. Chance of rain 70 percent.

Tonight 7 Sep West Otter Tail

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the evening. Lows in the mid 60s. Breezy. South Winds 15 to 25 Mph with Gusts to around 35 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Opperman Lake Temperature Statistics

September Temperature

Fergus Falls Municipal Airport-Einar Mickel (4.3 miles)

  • Lowest 1 September, 2026

    53.6 °F

  • Average September

    73.1 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

Fergus Falls Municipal Airport-Einar Mickel (4.3 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    53.6 °F
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