Horse Thief Lake Weather Forecast

    • 46
    • 54

    Rain Showers

    • 56
    • 71

    Slight Chance Thunderstorms

    • 58
    • 77

    Chance Thunderstorms

    • 58
    • 72

    Chance Thunderstorms

    • 61
    • 81

    Slight Chance Thunderstorms

    • 59
    • 82

    Slight Chance Thunderstorms

Today 16 Jul Central Black Hills

Showers with a chance of Thunderstorms. Patchy fog. Highs in the mid 50s. East Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 16 Jul Central Black Hills

Mostly cloudy with a slight chance of Showers and Thunderstorms. Patchy fog in the evening. Areas of fog after midnight. Lows in the mid 40s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Horse Thief Lake Temperature Statistics

July Temperature

Custer, Custer County Airport (12.4 miles)

  • Lowest 12 July, 2025

    38.6 °F

  • Average July

    67.1 °F

  • Highest 9 July, 2025

    90.6 °F

Climate (2020–Present)

Custer, Custer County Airport (12.4 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    56.2 °F
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