Starved Rock State Park Weather Forecast

    • 72
    • 90

    Thunderstorms

    • 73
    • 88

    Chance Thunderstorms

    • 73
    • 91

    Chance Thunderstorms

    • 71
    • 89

    Rain Showers Likely

    • 71
    • 90

    Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

Today 24 Jun La Salle

Mostly cloudy. Isolated Showers and Thunderstorms late in the morning. Scattered Showers and Thunderstorms in the afternoon. Highs in the upper 80s. West Winds 5 to 10 Mph. Chance of precipitation 50 percent.

Tonight 24 Jun La Salle

Mostly cloudy. Scattered Showers and Thunderstorms. Lows in the lower 70s. North Winds around 5 Mph, becoming southeast after midnight. Chance of precipitation 50 percent.

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Starved Rock State Park Temperature Statistics

June Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 1 June, 2025

    47.3 °F

  • Average June

    72.3 °F

  • Highest 21 June, 2025

    94.3 °F

Climate (2020–Present)

Illinois Valley Regional Airport (7.5 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.1 °F
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