Opperman Lake Weather Forecast

    • 30
    • 36

    Mostly Cloudy

    • 7
    • 36

    Mostly Cloudy

    • 3
    • 12

    Partly Sunny

    • 11
    • 33

    Snow

    • -5
    • 22

    Slight Chance Snow

    • -8
    • 5

    Cold

    • -2
    • 12

    Mostly Cloudy

Today 12 Jan West Otter Tail

Mostly cloudy. Highs in the mid 30s. Southwest Winds around 5 Mph.

Tonight 12 Jan West Otter Tail

Mostly cloudy. Lows 30 to 35. Southwest Winds 10 to 20 Mph.

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Opperman Lake Temperature Statistics

January Temperature

Fergus Falls Municipal Airport-Einar Mickel (4.3 miles)

  • Lowest 1 January, 2026

    -2.2 °F

  • Average January

    19.9 °F

  • Highest 7 January, 2026

    37.4 °F

Climate (2021–Present)

Fergus Falls Municipal Airport-Einar Mickel (4.3 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    44.2 °F

  • Average High 2021–2026

    53.6 °F
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