Cook Middle Reservoir Weather Forecast

    • 53
    • 86

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

    • 51
    • 88

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

Today 8 Sep Box Butte

Sunny, hot with Highs in the mid 80s. Northwest Winds 5 to 10 Mph, becoming west in the afternoon.

Tonight 8 Sep Box Butte

Mostly clear. Lows in the lower 50s. Southwest Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph after midnight.

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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

    74.6 °F

  • Highest 5 September, 2026

    97 °F

Climate (2021–2026)

Scottsbluff, Heilig Field (21.7 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    67.2 °F
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