Starved Rock State Park Weather Forecast

    • 40
    • 60

    Slight Chance Rain Showers

    • 39
    • 58

    Partly Sunny

    • 47
    • 62

    Partly Sunny

    • 46
    • 66

    Chance Rain Showers

    • 53
    • 74

    Chance Rain Showers

    • 45
    • 67

    Chance Rain Showers

Today 5 May La Salle

Cloudy. A slight chance of Showers. Temperatures in the upper 50s. Northwest Winds around 10 Mph. Chance of precipitation 20 percent.

Tonight 5 May La Salle

Mostly cloudy. A slight chance of Showers in the evening. Lows around 40. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Starved Rock State Park Temperature Statistics

May Temperature

Illinois Valley Regional Airport (7.5 miles)

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  • Average May

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Climate (2021–Present)

Illinois Valley Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.5 °F
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