South Chicago Heights Weather Forecast

    • 67
    • 82

    Severe Tstms

    • 67
    • 83

    Rain Showers Likely

    • 66
    • 80

    Rain Showers Likely

    • 64
    • 77

    Chance Thunderstorms

    • 69
    • 81

    Chance Thunderstorms

    • 65
    • 81

    Chance Rain Showers

Today 11 Aug Southern Cook

A chance of Showers and Thunderstorms early in the Morning, then Showers and Thunderstorms in the late morning and early afternoon. A chance of Showers and Thunderstorms late. Some Thunderstorms may be severe until late afternoon. Locally heavy rainfall possible until late afternoon. Humid with Highs in the lower 80s. South Winds around 5 Mph. Chance of precipitation 80 percent.

Tonight 11 Aug Southern Cook

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Chicago Heights Temperature Statistics

August Temperature

Lansing Municipal Airport (6.8 miles)

  • Lowest 3 August, 2026

    60.4 °F
  • Average August

    72.3 °F
  • Highest 7 August, 2026

    84.4 °F

Climate (2021–2026)

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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