Starved Rock State Park Weather Forecast

    • 37
    • 49

    Chance Rain Showers

    • 30
    • 47

    Breezy

    • 36
    • 46

    Rain Showers

    • 18
    • 53

    Rain Showers

    • 10
    • 26

    Blustery

    • 22
    • 31

    Chance Snow Showers

Today 12 Mar La Salle

Sunny in the Morning, then becoming partly cloudy. Highs in the upper 40s. West Winds 5 to 10 Mph, increasing to southwest 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 12 Mar La Salle

Mostly cloudy. A chance of Showers. Windy with Lows in the upper 30s. South Winds 15 to 25 Mph with Gusts up to 35 Mph, increasing to southwest 20 to 30 Mph with Gusts up to 45 Mph after midnight. Chance of precipitation 50 percent.

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Starved Rock State Park Temperature Statistics

March Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 1 March, 2026

    18.5 °F

  • Average March

    45.6 °F

  • Highest 9 March, 2026

    74.3 °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

    62.4 °F
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