Cook Middle Reservoir Weather Forecast

    • 61
    • 88

    Mostly Sunny

    • 57
    • 84

    Chance Thunderstorms

    • 55
    • 83

    Chance Thunderstorms

    • 58
    • 89

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 60
    • 88

    Chance Thunderstorms

    • 60
    • 89

    Chance Thunderstorms

Today 17 Aug Box Butte

Sunny with a slight chance of Showers and Thunderstorms. Some Thunderstorms may be severe. Hot. Near steady temperature in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 Aug Box Butte

Mostly clear with a slight chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers after midnight. Some Thunderstorms may be severe. Lows in the lower 60s. Southeast Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 20 percent.

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Cook Middle Reservoir Temperature Statistics

August Temperature

Scottsbluff, Heilig Field (21.7 miles)

  • Lowest 5 August, 2026

    48.7 °F

  • Average August

    74.6 °F

  • Highest 2 August, 2026

    107.7 °F

Climate (2021–2026)

Scottsbluff, Heilig Field (21.7 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    67.1 °F
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