7-Day Forecast 42.06°N 87.93°W (Text-Only)
NWS Forecast for: Mount Prospect IL
Issued by: National Weather Service Chicago, IL
Last Update: 10:16 am CST Jan 17, 2026
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  • Today

    Today: Isolated snow showers before 1pm, then snow, mainly after 1pm.  High near 20. Wind chill values as low as zero. West wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 20 °F

    Isolated Snow
    Showers then
    Snow

  • Tonight

    Tonight: Snow, mainly before 9pm, then a slight chance of flurries after midnight.  Low around 10. Wind chill values as low as -4. West wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Snow then
    Mostly Cloudy


  • Sunday

    Sunday: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 20. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Partly Sunny
    then Snow
    Likely

  • Sunday
    Night

    Sunday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 3. Wind chill values as low as -15. Blustery, with a southwest wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 3 °F

    Snow Likely
    then Mostly
    Cloudy and
    Blustery

  • M.L.King
    Day

    M.L.King Day: Partly sunny and cold, with a high near 9. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 9 °F

    Cold and
    Blustery


  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy



  • Tuesday

    Tuesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny



  • Tuesday
    Night

    Tuesday Night: A chance of snow.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow



  • Wednesday

    Wednesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy





  • Today: Isolated snow showers before 1pm, then snow, mainly after 1pm. High near 20. Wind chill values as low as zero. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    Tonight: Snow, mainly before 9pm, then a slight chance of flurries after midnight. Low around 10. Wind chill values as low as -4. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Sunday: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 20. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Sunday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 3. Wind chill values as low as -15. Blustery, with a southwest wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    M.L.King Day: Partly sunny and cold, with a high near 9. Blustery, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Monday Night: Partly cloudy, with a low around 1.

    Tuesday: Mostly sunny, with a high near 24.

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 16.

    Wednesday: Mostly cloudy, with a high near 30.

    Wednesday Night: Mostly cloudy, with a low around 11.

    Thursday: Partly sunny, with a high near 20.

    Thursday Night: Mostly cloudy, with a low around 8.

    Friday: Partly sunny, with a high near 22.



    Mount Prospect IL
     42.06°N 87.93°W

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