Cook Middle Reservoir Weather Forecast

    • 37
    • 68

    Thunderstorms

    • 43
    • 70

    Partly Sunny

    • 48
    • 90

    Mostly Sunny

    • 44
    • 78

    Mostly Sunny

    • 52
    • 88

    Partly Sunny

    • 49
    • 90

    Partly Sunny

Today 9 May Box Butte

Partly sunny. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the upper 60s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 9 May Box Butte

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the evening. Lows in the upper 30s. North Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west around 5 Mph after midnight. Chance of rain 50 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

    49.5 °F

  • Highest 2 May, 2026

    78.7 °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

    67.1 °F
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