Starved Rock State Park Weather Forecast

    • 73
    • 95

    Chance Thunderstorms

    • 70
    • 84

    Thunderstorms Likely

    • 68
    • 86

    Thunderstorms Likely

    • 62
    • 82

    Chance Rain Showers

    • 61
    • 82

    Mostly Sunny

    • 64
    • 83

    Slight Chance Rain Showers

Today 5 Jul La Salle

Partly cloudy until late afternoon then clearing. A 30 percent chance of Showers and Thunderstorms. Highs in the mid 90s. Peak afternoon heat index Readings 107 to 112. West Winds 5 to 10 Mph.

Tonight 5 Jul La Salle

Partly cloudy with a 50 percent chance of Showers and Thunderstorms. Lows in the lower 70s. South Winds 5 to 10 Mph in the evening shifting to the east after midnight.

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  • Temperature Real-Time

Starved Rock State Park Temperature Statistics

July Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 2 July, 2022

    58.3 °F
  • Average July

    72.7 °F
  • Highest 3 July, 2022

    86.2 °F

Climate (2010–Present)

Illinois Valley Regional Airport (7.5 miles)

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  • Average Low 2010–Present

    42.2 °F
  • Average 2010–Present

    51.2 °F
  • Average High 2010–Present

    60.1 °F
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