Starved Rock State Park Weather Forecast

    • 51
    • 65

    Decreasing Clouds

    • 62
    • 80

    Chance Rain Showers

    • 40
    • 79

    Rain Showers Likely

    • 35
    • 48

    Rain/Snow Likely

    • 38
    • 50

    Rain Showers Likely

    • 49
    • 65

    Rain Showers Likely

Today 29 Mar La Salle

Mostly cloudy. Highs in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 29 Mar La Salle

Partly cloudy. Lows around 50. South Winds around 10 Mph.

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Starved Rock State Park Temperature Statistics

March Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 16 March, 2026

    17.1 °F

  • Average March

    45.9 °F

  • Highest 26 March, 2026

    81.9 °F

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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