Major Lake Weather Forecast

    • 49
    • 64

    Rain Showers

    • 45
    • 55

    Rain Showers

    • 46
    • 57

    Rain Showers Likely

    • 52
    • 67

    Partly Sunny

    • 53
    • 74

    Chance Thunderstorms

    • 53
    • 77

    Mostly Sunny

    • 55
    • 77

    Partly Sunny

Today 19 Sep Central Black Hills

Showers with a chance of Thunderstorms. Near steady temperature in the upper 50s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 19 Sep Central Black Hills

Showers. A chance of Thunderstorms in the Evening, then a slight chance of Thunderstorms after midnight. Lows in the upper 40s. East Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Major Lake Temperature Statistics

September Temperature

Custer, Custer County Airport (13.7 miles)

  • Lowest 15 September, 2026

    39.7 °F

  • Average September

    62.7 °F

  • Highest 4 September, 2026

    86.6 °F

Climate (2021–2026)

Custer, Custer County Airport (13.7 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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