Cook Middle Reservoir Weather Forecast

    • 49
    • 90

    Mostly Sunny

    • 53
    • 76

    Chance Rain Showers

    • 54
    • 86

    Rain Showers Likely

    • 45
    • 82

    Mostly Sunny

    • 46
    • 68

    Mostly Sunny

Today 11 Sep Box Butte

Mostly sunny. Hot with Highs around 90. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 11 Sep Box Butte

Mostly cloudy. Near steady temperature in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Cook Middle Reservoir Temperature Statistics

September Temperature

Scottsbluff, Heilig Field (21.7 miles)

  • Lowest 2 September, 2026

    53.7 °F

  • Average September

    75.6 °F

  • Highest 5 September, 2026

    98.7 °F

Climate (2021–2026)

Scottsbluff, Heilig Field (21.7 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    67.2 °F
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