Starved Rock State Park Weather Forecast

    • 1
    • 18

    Increasing Clouds

    • 1
    • 16

    Partly Sunny

    • 5
    • 17

    Partly Sunny

    • 7
    • 22

    Partly Sunny

    • 15
    • 26

    Chance Snow

    • 16
    • 30

    Mostly Cloudy

Today 28 Jan La Salle

Partly cloudy late in the Morning, then becoming mostly sunny. Highs around 18. West Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon. Wind chill Values as low as 11 below late in the morning.

Tonight 28 Jan La Salle

Clear in the Evening, then becoming partly cloudy. Lows around zero. Northwest Winds 5 to 10 Mph. Wind chill Values as low as 10 below.

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Starved Rock State Park Temperature Statistics

January Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 23 January, 2026

    -7.6 °F

  • Average January

    24.6 °F

  • Highest 8 January, 2026

    62.6 °F

Climate (2021–Present)

Illinois Valley Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.1 °F
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