Mount Prospect Weather Forecast

    • 73
    • 81

    Chance Thunderstorms

    • 67
    • 84

    Chance Thunderstorms

    • 64
    • 80

    Partly Sunny

    • 68
    • 82

    Rain Showers Likely

    • 61
    • 79

    Slight Chance Thunderstorms

    • 59
    • 74

    Partly Sunny

Today 15 Aug Northern Cook

Mostly cloudy. A chance of Showers until late Afternoon, then a slight chance of Showers late. Highs around 80. Southeast Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of precipitation 50 percent.

Tonight 15 Aug Northern Cook

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms early in the Evening, then a slight chance of Showers late in the evening. A chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Prospect Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    61.6 °F

  • Average August

    73.9 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.6 °F
Get WillyWeather+ to remove ads