McCook Weather Forecast

    • 22
    • 34

    Decreasing Clouds

    • 25
    • 58

    Becoming Sunny

    • 29
    • 63

    Partly Sunny

    • 28
    • 63

    Partly Sunny

    • 25
    • 44

    Partly Sunny

    • 34
    • 62

    Partly Sunny

    • 26
    • 56

    Mostly Cloudy

Today 14 Dec Red Willow

Partly cloudy. Near steady temperature in the upper 20s. South Winds 10 to 20 Mph.

Tonight 14 Dec Red Willow

Decreasing Clouds. Near steady temperature in the mid 20s. South Winds around 10 Mph, becoming southwest after midnight.

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McCook Temperature Statistics

December Temperature

McCook, McCook Municipal Airport (1.9 miles)

  • Lowest 1 December, 2025

    12.9 °F

  • Average December

    34.5 °F

  • Highest 11 December, 2025

    72 °F

Climate (2020–Present)

McCook, McCook Municipal Airport (1.9 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    67.6 °F
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