Starved Rock State Park Weather Forecast

    • 23
    • 34

    Partly Sunny

    • 34
    • 45

    Partly Sunny

    • 27
    • 47

    Partly Sunny

    • 26
    • 44

    Mostly Cloudy

    • 27
    • 39

    Chance Snow

    • 27
    • 42

    Partly Sunny

    • 29
    • 41

    Chance Rain

Today 8 Feb La Salle

Mostly cloudy. Highs in the mid 30s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Feb La Salle

Partly cloudy. Lows in the lower 20s. Southeast Winds 5 to 10 Mph.

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Starved Rock State Park Temperature Statistics

February Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 1 February, 2026

    5 °F

  • Average February

    25.3 °F

  • Highest 6 February, 2026

    42.8 °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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