Old School Forest Preserve Weather Forecast

    • 63
    • 79

    Severe Tstms

    • 58
    • 78

    Rain Showers

    • 57
    • 75

    Mostly Sunny

    • 60
    • 74

    Partly Sunny

    • 64
    • 79

    Chance Rain Showers

    • 63
    • 82

    Slight Chance Thunderstorms

    • 63
    • 80

    Slight Chance Thunderstorms

Today 21 Aug Lake

Showers and Thunderstorms likely. Some Thunderstorms may be severe with damaging Winds and large hail. Southwest Winds around 10 Mph. Chance of precipitation 60 percent.

Tonight 21 Aug Lake

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms early in the Evening, then a slight chance of Showers and Thunderstorms late in the evening. Some Thunderstorms may be severe with damaging Winds and large hail early in the evening. Lows in the lower 60s. Southwest Winds around 5 Mph, becoming west after midnight. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Old School Forest Preserve Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    61.6 °F

  • Average August

    74.2 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.6 °F
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