Deadwood Reservoir Weather Forecast

    • 40
    • 73

    Sunny

    • 43
    • 76

    Sunny

    • 45
    • 77

    Mostly Sunny

    • 46
    • 78

    Partly Sunny

    • 44
    • 71

    Partly Sunny

    • 41
    • 69

    Mostly Sunny

Today 16 Sep West Central Mountains

Areas of fog this morning. Sunny, warmer with Highs 66 to 78.

Tonight 16 Sep West Central Mountains

Mostly clear. Areas of fog after midnight. Lows 40 to 50.

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Deadwood Reservoir Temperature Statistics

September Temperature

Stanley, Stanley Ranger Station (36.7 miles)

  • Lowest 13 September, 2025

    28.9 °F

  • Average September

    52.9 °F

  • Highest 2 September, 2025

    84 °F

Climate (2020–Present)

Stanley, Stanley Ranger Station (36.7 miles)

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  • Average Low 2020–2025

    22.6 °F

  • Average 2020–2025

    38 °F

  • Average High 2020–2025

    53.6 °F
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