Major Lake Weather Forecast

    • 20
    • 30

    Mostly Sunny

    • 8
    • 30

    Chance Snow

    • 17
    • 26

    Partly Sunny

    • 16
    • 41

    Slight Chance Snow

    • 8
    • 26

    Partly Sunny

    • 7
    • 30

    Slight Chance Snow

Today 17 Jan Central Black Hills

Sunny. A chance of Flurries this morning. Highs in the upper 20s. Northwest Winds 10 to 15 Mph. Gusts up to 40 Mph, decreasing to 30 Mph this afternoon. Wind chill Values around 25 below this morning.

Tonight 17 Jan Central Black Hills

Mostly clear and breezy. Not as cool with Lows 15 to 20. West Winds 10 to 15 Mph with Gusts up to 40 Mph, increasing to northwest 20 to 30 Mph with Gusts up to 50 Mph after midnight.

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Major Lake Temperature Statistics

January Temperature

Custer, Custer County Airport (13.7 miles)

  • Lowest 9 January, 2026

    16 °F

  • Average January

    37.3 °F

  • Highest 1 January, 2026

    55.9 °F

Climate (2021–Present)

Custer, Custer County Airport (13.7 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45 °F

  • Average High 2021–2026

    56.3 °F
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