Starved Rock State Park Weather Forecast

    • 48
    • 54

    Rain Showers Likely

    • 58
    • 73

    Rain Showers

    • 35
    • 61

    Chance Rain Showers

    • 47
    • 63

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 46
    • 74

    Rain Showers

    • 28
    • 57

    Chance Rain Showers

Today 5 Mar La Salle

Mostly cloudy. Patchy fog in the late morning and early afternoon. A slight chance of drizzle in the late morning and early afternoon. Highs in the lower 50s. North Winds around 5 Mph.

Tonight 5 Mar La Salle

Mostly cloudy. Patchy fog early in the Evening, then Areas of fog in the late evening and overnight. A chance of Showers and a slight chance of Thunderstorms late. Lows in the mid 40s. Southeast Winds around 5 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • 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

    35.1 °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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