Starved Rock State Park Weather Forecast

    • 0
    • 20

    Snow Likely

    • 4
    • 10

    Cold

    • 18
    • 25

    Chance Snow

    • 13
    • 31

    Mostly Cloudy

    • 17
    • 24

    Mostly Cloudy

    • 11
    • 30

    Chance Snow

Today 18 Jan La Salle

Mostly cloudy. A chance of snow late. Little or no snow accumulation. Highs in the lower 20s. Southwest Winds 10 to 15 Mph. Chance of precipitation 50 percent.

Tonight 18 Jan La Salle

Mostly cloudy. Snow likely early in the Evening, then a chance of snow late in the evening. A slight chance of snow after midnight. Little or no snow accumulation. Windy with Lows around 1 above. West Winds 20 to 25 Mph, becoming northwest 15 to 25 Mph after midnight. Gusts up to 40 Mph. Chance of precipitation 70 percent. Wind chill Values as low as 20 below after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Starved Rock State Park Temperature Statistics

January Temperature

Illinois Valley Regional Airport (7.5 miles)

  • Lowest 15 January, 2026

    12.2 °F

  • Average January

    33.2 °F

  • Highest 8 January, 2026

    62.6 °F

Climate (2021–Present)

Illinois Valley Regional Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    62.2 °F
Get WillyWeather+ to remove ads