McCook Weather Forecast

    • 40
    • 63

    Increasing Clouds

    • 40
    • 61

    Rain Showers Likely

    • 42
    • 61

    Rain Showers Likely

    • 42
    • 68

    Chance Thunderstorms

    • 47
    • 75

    Slight Chance Thunderstorms

    • 50
    • 83

    Mostly Sunny

Today 19 May Red Willow

Mostly sunny. Highs in the mid 60s. North Winds 10 to 15 Mph.

Tonight 19 May Red Willow

Mostly cloudy. Near steady temperature around 40. North Winds 15 to 20 Mph.

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McCook Temperature Statistics

May Temperature

McCook, McCook Municipal Airport (1.9 miles)

  • Lowest 1 May, 2026

    33.7 °F

  • Average May

    61.2 °F

  • Highest 15 May, 2026

    93.9 °F

Climate (2021–Present)

McCook, McCook Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    40.2 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    68.7 °F
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