Rock Run County Forest Preserve Weather Forecast

    • 61
    • 83

    Chance Thunderstorms

    • 48
    • 72

    Rain Showers Likely

    • 46
    • 67

    Partly Sunny

    • 53
    • 70

    Rain Showers Likely

    • 52
    • 73

    Rain Showers

    • 46
    • 65

    Partly Sunny

    • 43
    • 64

    Chance Rain Showers

Today 23 Apr Northern Will

Mostly sunny early in the Afternoon, then becoming partly cloudy. Highs in the lower 80s. South Winds 10 to 15 Mph, increasing to 15 to 20 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 23 Apr Northern Will

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms late in the evening. A chance of Showers and Thunderstorms after midnight. Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Run County Forest Preserve Temperature Statistics

April Temperature

Joliet Regional Airport (1.2 miles)

  • Lowest 7 April, 2026

    31.5 °F

  • Average April

    54.7 °F

  • Highest 17 April, 2026

    83.8 °F

Climate (2021–Present)

Joliet Regional Airport (1.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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