Black Hills Power and Light Reservoir Weather Forecast

    • 62
    • 92

    Slight Chance Thunderstorms

    • 59
    • 90

    Chance Thunderstorms

    • 53
    • 87

    Slight Chance Thunderstorms

    • 57
    • 83

    Partly Sunny

    • 59
    • 86

    Partly Sunny

    • 59
    • 88

    Partly Sunny

Today 28 Aug Weston County Plains

Partly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 28 Aug Weston County Plains

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows around 60. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black Hills Power and Light Reservoir Temperature Statistics

August Temperature

Mondell Field (7.5 miles)

  • Lowest 4 August, 2026

    44.6 °F

  • Average August

    73.3 °F

  • Highest 2 August, 2026

    102.2 °F

Climate (2021–2026)

Mondell Field (7.5 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    60.9 °F
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