Grand Crossing Weather Forecast

    • 72
    • 86

    Thunderstorms Likely

    • 69
    • 82

    Rain Showers Likely

    • 69
    • 82

    Rain Showers Likely

    • 68
    • 81

    Chance Thunderstorms

    • 65
    • 77

    Mostly Cloudy

    • 64
    • 74

    Chance Rain Showers

Today 9 Aug Central Cook

Showers and Thunderstorms likely early in the Afternoon, then a chance of Showers and Thunderstorms late. Near steady temperature in the mid 80s. South Winds around 10 Mph. Chance of precipitation 70 percent.

Tonight 9 Aug Central Cook

A chance of Showers and Thunderstorms early in the Evening, then Showers and Thunderstorms likely in the late evening and early morning. A slight chance of Showers and Thunderstorms late. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of precipitation 60 percent.

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Grand Crossing Temperature Statistics

August Temperature

Chicago, Chicago Midway Airport (8.1 miles)

  • Lowest 3 August, 2026

    63 °F

  • Average August

    74.2 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (8.1 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    62 °F
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