Gilman Weather Forecast

    • 13
    • 23

    Decreasing Clouds

    • 28
    • 36

    Partly Sunny

    • 28
    • 37

    Rain

    • 12
    • 47

    Chance Rain/Snow

    • 21
    • 28

    Mostly Cloudy

    • 24
    • 44

    Mostly Cloudy

    • 26
    • 37

    Mostly Cloudy

Today 15 Dec Iroquois

Mostly cloudy. Areas of blowing and Drifting snow in the Morning, then patchy blowing and Drifting snow early in the afternoon. Blustery. Highs in the lower 20s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 18 below in the morning.

Tonight 15 Dec Iroquois

Partly cloudy in the evening then clearing. Lows around 13. South Winds around 5 Mph.

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Gilman Temperature Statistics

December Temperature

Greater Kankakee Airport (21.7 miles)

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  • Average December

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Climate (2020–Present)

Greater Kankakee Airport (21.7 miles)

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  • Average Low 2020–2025

    42.9 °F
  • Average 2020–2025

    52.5 °F
  • Average High 2020–2025

    62.2 °F
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