McCook Weather Forecast

    • 38
    • 41

    Gradual Clearing

    • 45
    • 55

    Rain

    • 36
    • 47

    Rain/Snow Likely

    • 23
    • 40

    Chance Rain/Snow

    • 22
    • 30

    Slight Chance Snow

    • 30
    • 37

    Partly Sunny

Today 7 Jan Central Cook

Mostly cloudy. Patchy fog early in the morning. Highs in the lower 40s. Southwest Winds 5 to 10 Mph.

Tonight 7 Jan Central Cook

Mostly clear in the Evening, then becoming partly cloudy. Near steady temperature in the upper 30s. South Winds around 10 Mph.

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McCook Temperature Statistics

January Temperature

Chicago, Chicago Midway Airport (4.3 miles)

  • Lowest 1 January, 2026

    12 °F

  • Average January

    26.1 °F

  • Highest 5 January, 2026

    45 °F

Climate (2021–Present)

Chicago, Chicago Midway Airport (4.3 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.8 °F
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