Cook Middle Reservoir Weather Forecast

    • 61
    • 93

    Mostly Sunny

    • 61
    • 93

    Slight Chance Thunderstorms

    • 62
    • 92

    Chance Thunderstorms

    • 60
    • 91

    Chance Rain Showers

    • 57
    • 88

    Partly Sunny

    • 57
    • 85

    Slight Chance Rain Showers

    • 57
    • 88

    Mostly Sunny

Today 4 Sep Box Butte

Sunny, hot. Near steady temperature in the lower 90s. West Winds 5 to 10 Mph.

Tonight 4 Sep Box Butte

Mostly clear. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cook Middle Reservoir Temperature Statistics

September Temperature

Scottsbluff, Heilig Field (21.7 miles)

  • Lowest 2 September, 2026

    55 °F

  • Average September

    72.6 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

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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