Cook Middle Reservoir Weather Forecast

    • 45
    • 66

    Rain Showers Likely

    • 46
    • 67

    Mostly Cloudy

    • 50
    • 69

    Breezy

    • 49
    • 77

    Partly Sunny

    • 50
    • 80

    Mostly Sunny

    • 52
    • 78

    Slight Chance Thunderstorms

Today 20 Sep Box Butte

A chance of Thunderstorms. Showers. Highs in the mid 60s. Southeast Winds 5 to 10 Mph, becoming west in the afternoon. Chance of rain 80 percent.

Tonight 20 Sep Box Butte

Mostly cloudy. A chance of Showers in the evening. Lows in the mid 40s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cook Middle Reservoir Temperature Statistics

September Temperature

Scottsbluff, Heilig Field (21.7 miles)

  • Lowest 10 September, 2026

    44.7 °F

  • Average September

    71.5 °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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