Starved Rock State Park Weather Forecast

    • 61
    • 80

    Chance Rain Showers

    • 62
    • 76

    Chance Rain Showers

    • 70
    • 81

    Chance Rain Showers

    • 76
    • 90

    Mostly Sunny

    • 77
    • 92

    Mostly Sunny

    • 76
    • 92

    Slight Chance Thunderstorms

Today 25 Jun La Salle

Mostly cloudy. Highs around 80. West Winds 5 to 10 Mph.

Tonight 25 Jun La Salle

Mostly cloudy. A slight chance of Showers late. Lows in the lower 60s. North Winds around 5 Mph, becoming east after midnight. Chance of precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Starved Rock State Park Temperature Statistics

June Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 3 June, 2026

    51.8 °F

  • Average June

    70.6 °F

  • Highest 6 June, 2026

    91.4 °F

Climate (2021–2026)

Illinois Valley Regional Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.6 °F
Get WillyWeather+ to remove ads