South Chicago Heights Weather Forecast

    • 33
    • 47

    Rain/Snow Likely

    • 21
    • 38

    Rain/Snow Likely

    • 23
    • 31

    Slight Chance Snow

    • 31
    • 39

    Partly Sunny

    • 30
    • 43

    Chance Rain/Snow

    • 21
    • 35

    Chance Snow

Today 9 Jan Southern Cook

Mostly cloudy. A chance of Showers early in the Morning, then a slight chance of Showers late in the morning. Windy with Highs in the upper 40s. West Winds 15 to 20 Mph with Gusts up to 40 Mph, becoming north 10 to 15 Mph in the afternoon. Chance of precipitation 30 percent.

Tonight 9 Jan Southern Cook

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 30s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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South Chicago Heights Temperature Statistics

January Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 1 January, 2026

    12.6 °F

  • Average January

    28.6 °F

  • Highest 6 January, 2026

    47.8 °F

Climate (2021–Present)

Lansing Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.5 °F

  • Average High 2021–2026

    60.3 °F
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