Donovan Weather Forecast

    • 69
    • 87

    Slight Chance Thunderstorms

    • 71
    • 89

    Chance Thunderstorms

    • 68
    • 88

    Chance Thunderstorms

    • 64
    • 80

    Partly Sunny

    • 62
    • 82

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

Today 17 Aug Iroquois

Partly cloudy. A slight chance of Showers and Thunderstorms through mid morning. A slight chance of Showers and Thunderstorms late in the afternoon. Highs in the upper 80s. Southwest Winds around 5 Mph, becoming north in the afternoon. Chance of precipitation 20 percent. Heat index Values up to 101.

Tonight 17 Aug Iroquois

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows around 70. East Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Donovan Temperature Statistics

August Temperature

Greater Kankakee Airport (17.4 miles)

  • Lowest 3 August, 2025

    55.4 °F

  • Average August

    73.8 °F

  • Highest 15 August, 2025

    89.6 °F

Climate (2020–Present)

Greater Kankakee Airport (17.4 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    61.7 °F
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