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: 4:26 am CST Feb 28, 2026
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  • Today

    Today: A slight chance of snow between 2pm and 3pm.  Increasing clouds, with a high near 37. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 37 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy


  • Sunday

    Sunday: Partly sunny, with a high near 31. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 31 °F

    Partly Sunny


  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 22. Northeast wind 5 to 10 mph becoming east southeast after midnight.

    Low: 22 °F

    Mostly Cloudy


  • Monday

    Monday: Mostly sunny, with a high near 41. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 41 °F

    Mostly Sunny


  • Monday
    Night

    Monday Night: Rain likely, mainly after midnight.  Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 43. Chance of precipitation is 90%.

    High: 43 °F

    Rain


  • Tuesday
    Night

    Tuesday Night: A chance of rain before midnight.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain.  Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain




  • Today: A slight chance of snow between 2pm and 3pm. Increasing clouds, with a high near 37. Northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Tonight: Mostly cloudy, with a low around 26. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Sunday: Partly sunny, with a high near 31. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Sunday Night: Mostly cloudy, with a low around 22. Northeast wind 5 to 10 mph becoming east southeast after midnight.

    Monday: Mostly sunny, with a high near 41. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Monday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Tuesday: Rain. High near 43. Chance of precipitation is 90%.

    Tuesday Night: A chance of rain before midnight. Mostly cloudy, with a low around 33.

    Wednesday: A chance of rain. Partly sunny, with a high near 53.

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 42.

    Thursday: A chance of rain. Mostly cloudy, with a high near 59.

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 46.

    Friday: Rain likely. Cloudy, with a high near 61.



    Chicago Heights IL
     41.51°N 87.64°W

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