McCook Weather Forecast

    • 62
    • 86

    Chance Thunderstorms

    • 62
    • 84

    Slight Chance Thunderstorms

    • 63
    • 88

    Mostly Sunny

    • 63
    • 95

    Partly Sunny

    • 59
    • 84

    Chance Thunderstorms

    • 61
    • 85

    Slight Chance Thunderstorms

Today 15 Aug Red Willow

Decreasing Clouds. Humid with Highs in the upper 80s. Northwest Winds around 5 Mph, becoming north in the afternoon.

Tonight 15 Aug Red Willow

Cloudy with a 50 percent chance of Thunderstorms. Lows in the mid 60s. West Winds 5 to 15 Mph.

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McCook Temperature Statistics

August Temperature

McCook, McCook Municipal Airport (1.9 miles)

  • Lowest 5 August, 2026

    55.9 °F

  • Average August

    77.8 °F

  • Highest 8 August, 2026

    107.1 °F

Climate (2021–2026)

McCook, McCook Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    68.8 °F
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