Cook Middle Reservoir Weather Forecast

    • 38
    • 66

    Rain Showers

    • 39
    • 64

    Breezy

    • 44
    • 74

    Mostly Sunny

    • 50
    • 86

    Mostly Sunny

    • 52
    • 89

    Partly Sunny

    • 51
    • 83

    Chance Thunderstorms

    • 48
    • 77

    Chance Thunderstorms

Today 21 May Box Butte

Showers likely with a chance of Thunderstorms. Highs in the mid 60s. Temperature falling into the upper 50s late. Southeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 21 May Box Butte

Showers with a chance of Thunderstorms in the Evening, then Showers likely after midnight. Lows in the upper 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest 15 to 20 Mph with Gusts up to 35 Mph after midnight. Chance of rain 80 percent.

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  • Temperature Real-Time

Cook Middle Reservoir Temperature Statistics

May Temperature

Scottsbluff, Heilig Field (21.7 miles)

  • Lowest 1 May, 2026

    27.6 °F

  • Average May

    56.8 °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

    67.1 °F
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