Cook Middle Reservoir Weather Forecast

    • 48
    • 77

    Rain Showers Likely

    • 46
    • 80

    Chance Rain Showers

    • 50
    • 80

    Chance Thunderstorms

    • 51
    • 83

    Chance Thunderstorms

    • 51
    • 84

    Chance Thunderstorms

Today 30 May Box Butte

Mostly sunny with isolated Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Highs in the upper 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 30 May Box Butte

Mostly cloudy with numerous Showers and scattered Thunderstorms early this Evening, then partly cloudy. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the upper 40s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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Cook Middle Reservoir Temperature Statistics

May Temperature

Scottsbluff, Heilig Field (21.7 miles)

  • Lowest 1 May, 2026

    27.6 °F

  • Average May

    58.8 °F

  • Highest 13 May, 2026

    92.6 °F

Climate (2021–Present)

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

    67.2 °F
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