South Chicago Heights Weather Forecast

    • 44
    • 44

    Rain Showers

    • 18
    • 61

    Rain Showers

    • 14
    • 25

    Chance Snow Showers

    • 22
    • 27

    Mostly Cloudy

    • 12
    • 32

    Chance Snow

    • 6
    • 20

    Mostly Sunny

Today 27 Dec Southern Cook

Cloudy. Patchy fog early in the morning. Highs in the mid 40s. Southeast Winds 5 to 10 Mph.

Tonight 27 Dec Southern Cook

Cloudy. A slight chance of rain in the Evening, then rain likely after midnight. Lows in the mid 40s. South Winds 10 to 15 Mph. Chance of precipitation 60 percent.

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South Chicago Heights Temperature Statistics

December Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 14 December, 2025

    0.1 °F

  • Average December

    26.5 °F

  • Highest 23 December, 2025

    52.9 °F

Climate (2020–Present)

Lansing Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    60.3 °F
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