Cook Middle Reservoir Weather Forecast

    • 60
    • 95

    Chance Thunderstorms

    • 58
    • 90

    Slight Chance Thunderstorms

    • 60
    • 88

    Chance Thunderstorms

    • 59
    • 85

    Slight Chance Thunderstorms

    • 59
    • 90

    Slight Chance Thunderstorms

    • 59
    • 89

    Slight Chance Thunderstorms

    • 60
    • 90

    Mostly Sunny

Today 29 Aug Box Butte

Partly sunny with a slight chance of Showers and Thunderstorms. Hot with Highs in the mid 90s. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 29 Aug Box Butte

Mostly cloudy with Showers likely with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 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

    75.2 °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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