Starved Rock State Park Weather Forecast

    • 58
    • 82

    Mostly Sunny

    • 66
    • 86

    Partly Sunny

    • 66
    • 85

    Rain Showers Likely

    • 64
    • 86

    Chance Thunderstorms

    • 65
    • 85

    Chance Thunderstorms

    • 66
    • 88

    Chance Thunderstorms

Today 3 Jun La Salle

Partly cloudy. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 3 Jun La Salle

Mostly clear. Lows in the upper 50s. South Winds around 5 Mph.

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  • Temperature Real-Time

Starved Rock State Park Temperature Statistics

June Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 1 June, 2026

    60.8 °F

  • Average June

    70 °F

  • Highest 1 June, 2026

    80.6 °F

Climate (2021–Present)

Illinois Valley Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.6 °F
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