Chicago Heights Weather Forecast

    • 68
    • 83

    Severe Tstms

    • 68
    • 83

    Chance Thunderstorms

    • 66
    • 80

    Chance Rain Showers

    • 65
    • 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

Mostly cloudy. A chance of Showers and Thunderstorms. Near steady temperature in the mid 70s. Southeast Winds around 5 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

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Chicago Heights Temperature Statistics

August Temperature

Lansing Municipal Airport (5.6 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 (5.6 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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