Major Lake Weather Forecast

    • 58
    • 79

    Chance Thunderstorms

    • 59
    • 76

    Rain Showers Likely

    • 59
    • 77

    Rain Showers

    • 67
    • 90

    Mostly Sunny

    • 70
    • 96

    Partly Sunny

    • 67
    • 93

    Partly Sunny

    • 66
    • 90

    Chance Thunderstorms

Today 21 Jul Central Black Hills

Partly cloudy. Highs around 80. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Jul Central Black Hills

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the upper 50s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Major Lake Temperature Statistics

July Temperature

Custer, Custer County Airport (13.7 miles)

  • Lowest 3 July, 2026

    50.6 °F

  • Average July

    71 °F

  • Highest 12 July, 2026

    91.7 °F

Climate (2021–2026)

Custer, Custer County Airport (13.7 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    56.9 °F
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