Starved Rock State Park Weather Forecast

    • 1
    • 16

    Decreasing Clouds

    • 5
    • 17

    Partly Sunny

    • 7
    • 23

    Mostly Sunny

    • 17
    • 27

    Chance Snow

    • 17
    • 32

    Mostly Cloudy

    • 19
    • 31

    Chance Snow

Today 29 Jan La Salle

Mostly cloudy in the Morning, then becoming partly cloudy. Highs around 16. Northwest Winds around 5 Mph.

Tonight 29 Jan La Salle

Mostly clear. Lows around 1 above. Northwest Winds around 5 Mph.

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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

    24.2 °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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