Tampier Slough Woods (Cook County Forest Preserve) Weather Forecast

    • 72
    • 84

    Slight Chance Thunderstorms

    • 74
    • 92

    Chance Thunderstorms

    • 68
    • 89

    Chance Thunderstorms

    • 65
    • 78

    Partly Sunny

    • 65
    • 81

    Mostly Sunny

    • 66
    • 86

    Mostly Sunny

Today 17 Aug Southern Cook

Mostly cloudy through mid Afternoon, then becoming partly cloudy. A slight chance of Showers and Thunderstorms in the morning. Highs in the lower 80s. Northeast Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 17 Aug Southern Cook

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Northeast Winds 5 to 10 Mph, becoming east after midnight. Chance of precipitation 20 percent.

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Tampier Slough Woods (Cook County Forest Preserve) Temperature Statistics

August Temperature

Lewis University Airport (10.6 miles)

  • Lowest 2 August, 2025

    58.6 °F

  • Average August

    75.3 °F

  • Highest 8 August, 2025

    91.7 °F

Climate (2020–Present)

Lewis University Airport (10.6 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    61.7 °F
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