Red Willow Reservoir State Recreation Area Weather Forecast

    • 17
    • 38

    Mostly Sunny

    • 21
    • 52

    Mostly Sunny

    • 20
    • 58

    Partly Sunny

    • 28
    • 53

    Mostly Cloudy

    • 26
    • 53

    Partly Sunny

    • 29
    • 58

    Partly Sunny

    • 28
    • 58

    Partly Sunny

Today 29 Dec Frontier

Sunny. Highs in the mid 30s. Northwest Winds 10 to 15 Mph.

Tonight 29 Dec Frontier

Mostly clear. Lows around 14. Light and variable Winds, becoming west around 10 Mph after midnight.

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Red Willow Reservoir State Recreation Area Temperature Statistics

December Temperature

McCook, McCook Municipal Airport (11.8 miles)

  • Lowest 1 December, 2025

    12.9 °F

  • Average December

    36.9 °F

  • Highest 22 December, 2025

    77 °F

Climate (2020–Present)

McCook, McCook Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    67.7 °F
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