Iroquois Weather Forecast

    • 57
    • 85

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 61
    • 88

    Slight Chance Rain Showers

    • 62
    • 85

    Slight Chance Thunderstorms

    • 62
    • 83

    Chance Thunderstorms

    • 62
    • 80

    Chance Rain Showers

    • 58
    • 80

    Chance Rain Showers

Today 17 Sep Iroquois

Sunny. Highs in the upper 80s. Northeast Winds around 5 Mph.

Tonight 17 Sep Iroquois

Mostly clear. Lows in the upper 50s. Northeast Winds around 5 Mph late in the Evening, becoming light and variable.

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Iroquois Temperature Statistics

September Temperature

Greater Kankakee Airport (21.7 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    63.6 °F

  • Highest 15 September, 2025

    87.8 °F

Climate (2020–Present)

Greater Kankakee Airport (21.7 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    61.7 °F
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