Old School Forest Preserve Weather Forecast

    • 71
    • 88

    Rain Showers Likely

    • 70
    • 85

    Chance Thunderstorms

    • 67
    • 82

    Slight Chance Thunderstorms

    • 66
    • 81

    Partly Sunny

    • 65
    • 81

    Mostly Cloudy

    • 68
    • 82

    Chance Rain Showers

Today 3 Sep Lake

Mostly cloudy. A slight chance of Thunderstorms in the morning. A chance of Showers. A chance of Thunderstorms in the afternoon. Humid with Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of precipitation 30 percent.

Tonight 3 Sep Lake

Mostly cloudy. A chance of Showers in the evening. A chance of Thunderstorms. Showers likely after midnight. Humid with Lows around 70. Southeast Winds 5 to 10 Mph. Chance of precipitation 70 percent.

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Old School Forest Preserve Temperature Statistics

September Temperature

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

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Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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