Black Hills Power and Light Reservoir Weather Forecast

    • 55
    • 85

    Partly Sunny

    • 47
    • 76

    Rain Showers

    • 43
    • 70

    Rain Showers Likely

    • 48
    • 72

    Partly Sunny

    • 51
    • 79

    Slight Chance Thunderstorms

    • 53
    • 81

    Slight Chance Thunderstorms

    • 54
    • 84

    Chance Thunderstorms

Today 29 May Weston County Plains

Partly cloudy with a slight chance of Showers and Thunderstorms. Highs in the mid 80s. Southeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 29 May Weston County Plains

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the lower 50s. Southeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black Hills Power and Light Reservoir Temperature Statistics

May Temperature

Mondell Field (7.5 miles)

  • Lowest 6 May, 2026

    21.2 °F

  • Average May

    55.4 °F

  • Highest 13 May, 2026

    89.6 °F

Climate (2021–Present)

Mondell Field (7.5 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.9 °F
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