Rock Run County Forest Preserve Weather Forecast

    • 73
    • 89

    Severe Tstms

    • 70
    • 89

    Thunderstorms

    • 66
    • 84

    Thunderstorms

    • 63
    • 82

    Isolated Thunderstorms

    • 65
    • 85

    Partly Sunny

    • 67
    • 86

    Chance Rain Showers

Today 3 Jul Northern Will

Partly cloudy. Scattered Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Southwest Winds around 10 Mph. Chance of precipitation 50 percent.

Tonight 3 Jul Northern Will

Mostly cloudy. Scattered Thunderstorms early in the evening. Scattered Showers. Scattered Thunderstorms in the late evening and overnight. Some Thunderstorms may produce damaging Winds and large hail early in the evening. Humid. Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Run County Forest Preserve Temperature Statistics

July Temperature

Joliet Regional Airport (1.2 miles)

  • Lowest 1 July, 2026

    77.9 °F

  • Average July

    85.8 °F

  • Highest 1 July, 2026

    94.3 °F

Climate (2021–2026)

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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