Mount Prospect Weather Forecast

    • 70
    • 85

    Decreasing Clouds

    • 65
    • 83

    Rain Showers Likely

    • 69
    • 85

    Rain Showers Likely

    • 69
    • 85

    Rain Showers Likely

    • 66
    • 80

    Chance Thunderstorms

    • 64
    • 80

    Chance Thunderstorms

Today 7 Aug Northern Cook

Mostly cloudy in the Morning, then clearing. Humid with Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 7 Aug Northern Cook

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers in the late evening and overnight. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Mount Prospect Temperature Statistics

August Temperature

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

  • Lowest 3 August, 2026

    61 °F

  • Average August

    71.8 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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