Rock Run County Forest Preserve Weather Forecast

    • 16
    • 27

    Chance Flurries

    • 19
    • 28

    Mostly Sunny

    • 26
    • 42

    Mostly Cloudy

    • 26
    • 42

    Chance Rain/Snow

    • 23
    • 38

    Slight Chance Snow

    • 34
    • 52

    Partly Sunny

Today 22 Feb Northern Will

Mostly cloudy. A chance of snow early in the Morning, then a chance of Flurries in the late morning and afternoon. Blustery. Highs in the upper 20s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 30 percent.

Tonight 22 Feb Northern Will

Mostly cloudy. A chance of Flurries. Blustery with Lows around 16. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Run County Forest Preserve Temperature Statistics

February Temperature

Joliet Regional Airport (1.2 miles)

  • Lowest 1 February, 2026

    1.4 °F

  • Average February

    34.2 °F

  • Highest 16 February, 2026

    67.6 °F

Climate (2021–Present)

Joliet Regional Airport (1.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.3 °F
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