Cook Middle Reservoir Weather Forecast

    • 52
    • 72

    Rain Showers

    • 50
    • 65

    Rain Showers

    • 45
    • 70

    Chance Rain Showers

    • 47
    • 77

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

    • 50
    • 83

    Mostly Sunny

Today 16 Sep Box Butte

Partly sunny this Morning, then becoming mostly cloudy. Scattered Showers. A slight chance of Thunderstorms this Morning, then scattered Thunderstorms this afternoon. Not as warm with Highs in the lower 70s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 16 Sep Box Butte

A chance of Thunderstorms. Showers likely. Lows in the lower 50s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

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Cook Middle Reservoir Temperature Statistics

September Temperature

Scottsbluff, Heilig Field (21.7 miles)

  • Lowest 6 September, 2025

    39 °F

  • Average September

    65.1 °F

  • Highest 10 September, 2025

    89.1 °F

Climate (2020–Present)

Scottsbluff, Heilig Field (21.7 miles)

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  • Average Low 2020–2025

    36.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    66.2 °F
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