South Chicago Heights Weather Forecast

    • 56
    • 74

    Slight Chance Thunderstorms

    • 62
    • 80

    Rain Showers Likely

    • 51
    • 75

    Rain Showers

    • 46
    • 65

    Partly Sunny

    • 53
    • 69

    Chance Rain Showers

    • 50
    • 73

    Rain Showers Likely

Today 22 Apr Southern Cook

Partly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. West Winds around 10 Mph, becoming north in the afternoon. Chance of precipitation 20 percent.

Tonight 22 Apr Southern Cook

Partly cloudy. Lows in the mid 50s. East Winds 5 to 10 Mph, becoming south after midnight.

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South Chicago Heights Temperature Statistics

April Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 11 April, 2026

    30 °F

  • Average April

    52.1 °F

  • Highest 17 April, 2026

    80.8 °F

Climate (2021–Present)

Lansing Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.5 °F
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