7-Day Forecast 41.51°N 87.64°W (Text-Only)
NWS Forecast for: Chicago Heights IL
Issued by: National Weather Service Chicago, IL
Last Update: 6:26 am CDT Mar 15, 2026
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  • Today

    Today: A chance of showers and thunderstorms between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Cloudy, with a high near 64. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    T-storms and
    Breezy then
    Showers
    Likely and
    Windy

  • Tonight

    Tonight: Rain showers before 2am, then rain and snow showers likely between 2am and 3am, then snow showers likely after 3am. Some thunder is also possible.  Patchy blowing snow after 4am. Low around 24. Breezy, with a south southwest wind around 25 mph becoming west after midnight. Winds could gust as high as 50 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain/Snow and
    Patchy
    Blowing Snow



  • Monday

    Monday: Snow showers likely, mainly between 7am and 1pm.  Patchy blowing snow. Cloudy, with a temperature falling to around 24 by 9am. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 25 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow


  • Monday
    Night

    Monday Night: A 20 percent chance of snow showers before 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 12. Wind chill values as low as -1. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 12 °F

    Slight Chance
    Snow Showers
    and Blustery



  • Tuesday

    Tuesday: Mostly sunny, with a high near 26. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Mostly Sunny





  • Tuesday
    Night

    Tuesday Night: Snow showers likely, mainly after 1am.  Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Slight Chance
    Snow Showers
    then Snow
    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 1pm.  Partly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow Showers




  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy





  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny







  • Today: A chance of showers and thunderstorms between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 64. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Tonight: Rain showers before 2am, then rain and snow showers likely between 2am and 3am, then snow showers likely after 3am. Some thunder is also possible. Patchy blowing snow after 4am. Low around 24. Breezy, with a south southwest wind around 25 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Monday: Snow showers likely, mainly between 7am and 1pm. Patchy blowing snow. Cloudy, with a temperature falling to around 24 by 9am. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Monday Night: A 20 percent chance of snow showers before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 12. Wind chill values as low as -1. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Tuesday: Mostly sunny, with a high near 26. West northwest wind around 10 mph, with gusts as high as 20 mph.

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Wednesday: A 20 percent chance of snow showers before 1pm. Partly sunny, with a high near 44.

    Wednesday Night: Mostly cloudy, with a low around 34.

    Thursday: Mostly sunny, with a high near 55.

    Thursday Night: Mostly cloudy, with a low around 37.

    Friday: Mostly cloudy, with a high near 60.

    Friday Night: Mostly cloudy, with a low around 38.

    Saturday: Mostly sunny, with a high near 52.



    Chicago Heights IL
     41.51°N 87.64°W

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