South Chicago Heights Weather Forecast

    • 41
    • 60

    Becoming Sunny

    • 47
    • 66

    Chance Rain Showers

    • 57
    • 75

    Chance Rain Showers

    • 59
    • 86

    Rain Showers Likely

    • 63
    • 83

    Chance Thunderstorms

    • 62
    • 89

    Rain Showers Likely

Today 13 May Southern Cook

Mostly cloudy. Highs in the lower 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 13 May Southern Cook

Partly cloudy in the Evening, then becoming clear. Lows in the lower 40s. Northeast Winds 5 to 10 Mph, becoming northwest after midnight.

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South Chicago Heights Temperature Statistics

May Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 2 May, 2026

    28.6 °F

  • Average May

    51.6 °F

  • Highest 4 May, 2026

    79.7 °F

Climate (2021–Present)

Lansing Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.5 °F
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