Sister Lake Weather Forecast

    • -4
    • 16

    Snow Showers

    • -8
    • 7

    Snow Showers

    • -14
    • 4

    Snow Showers

    • -15
    • 2

    Cold

    • 3
    • 12

    Chance Snow Showers

    • 5
    • 20

    Chance Snow Showers

Today 18 Jan Alger

Breezy, Colder. Snow Showers. Heavy freezing spray with patchy blowing snow. Snow accumulation of 1 to 3 Inches. Highs 15 to 20. Temperature falling to around 10 above in the afternoon. Northwest Winds 10 to 20 Mph Inland, except northwest 15 to 25 Mph near the shore. Chance of snow 90 percent.

Tonight 18 Jan Alger

Snow Showers. Heavy freezing spray with patchy blowing snow. Snow accumulation of 1 to 3 Inches near grand Marais and near Munising. Lows around 4 below inland to around 4 above at the shore. Inland, west Winds 10 to 15 Mph. Near the Shore, northwest Winds 15 to 25 Mph, becoming 15 to 20 Mph after midnight. Chance of snow 90 percent.

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Sister Lake Temperature Statistics

January Temperature

Munising - Munising Lakeshore Observation (6.2 miles)

  • Lowest 9 January, 2025

    6.1 °F

  • Average January

    22.3 °F

  • Highest 1 January, 2025

    34.6 °F

Climate (2020–Present)

Munising - Munising Lakeshore Observation (6.2 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    52 °F
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