Starved Rock State Park Weather Forecast

    • 42
    • 48

    Rain Showers Likely

    • 44
    • 55

    Rain Showers Likely

    • 51
    • 75

    Rain Showers

    • 35
    • 57

    Partly Sunny

    • 44
    • 61

    Mostly Sunny

    • 53
    • 72

    Chance Rain Showers

    • 38
    • 69

    Rain Showers

Today 4 Mar La Salle

Cloudy. A slight chance of Showers late in the morning. A chance of Showers late. Patchy fog in the afternoon. Near steady temperature in the mid 40s. East Winds 5 to 10 Mph. Chance of precipitation 40 percent.

Tonight 4 Mar La Salle

Mostly cloudy. Patchy fog in the evening. Areas of fog after Midnight, then patchy fog late. A chance of Showers in the Evening, then Showers likely and a slight chance of Thunderstorms after midnight. Near steady temperature in the lower 40s. East Winds around 5 Mph. Chance of precipitation 70 percent.

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  • Temperature Real-Time

Starved Rock State Park Temperature Statistics

March Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 1 March, 2026

    18.5 °F

  • Average March

    32.7 °F

  • Highest 2 March, 2026

    50.5 °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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