South Twin Lake Weather Forecast

    • 18
    • 24

    Mostly Cloudy

    • 4
    • 35

    Chance Snow

    • -7
    • 10

    Chance Snow

    • -3
    • 8

    Chance Snow

    • -5
    • 25

    Mostly Cloudy

    • -9
    • 3

    Cold

Today 26 Dec Mahnomen

Mostly cloudy. Highs in the mid 20s. Southwest Winds around 5 Mph.

Tonight 26 Dec Mahnomen

Mostly cloudy. Patchy fog after midnight. Lows 15 to 20. Southeast Winds 5 to 15 Mph.

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South Twin Lake Temperature Statistics

December Temperature

Mahnomen County Airport (13 miles)

  • Lowest 13 December, 2025

    -21.6 °F

  • Average December

    10.3 °F

  • Highest 16 December, 2025

    43.7 °F

Climate (2020–Present)

Mahnomen County Airport (13 miles)

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  • Average Low 2020–2025

    32.3 °F

  • Average 2020–2025

    42 °F

  • Average High 2020–2025

    51.3 °F
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