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: 3:11 am CDT Mar 12, 2026
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  • Overnight

    Overnight: Clear, with a low around 29. West wind around 5 mph, with gusts as high as 10 mph.

    Low: 29 °F

    Clear




  • Thursday

    Thursday: Increasing clouds, with a high near 47. West wind around 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Increasing
    Clouds



  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers, mainly between midnight and 5am.  Mostly cloudy, with a low around 37. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 45 mph.

    Low: 37 °F

    Chance
    Showers and
    Windy


  • Friday

    Friday: Partly sunny, with a high near 46. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 55 mph.

    High: 46 °F

    Partly Sunny
    and Windy



  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 30. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 30 °F

    Mostly Cloudy




  • Saturday

    Saturday: A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers.  Cloudy, with a high near 43. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Saturday
    Night

    Saturday Night: Rain likely, possibly mixed with snow showers, mainly after 1am.  Cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain/Snow
    Likely



  • Sunday

    Sunday: Showers.  Cloudy, with a high near 57.

    High: 57 °F

    Showers




  • Sunday
    Night

    Sunday Night: Rain and snow showers, becoming all snow after 1am.  Cloudy, with a low around 20. Blustery.

    Low: 20 °F

    Rain/Snow and
    Blustery





  • Overnight: Clear, with a low around 29. West wind around 5 mph, with gusts as high as 10 mph.

    Thursday: Increasing clouds, with a high near 47. West wind around 10 mph, with gusts as high as 20 mph.

    Thursday Night: A 50 percent chance of showers, mainly between midnight and 5am. Mostly cloudy, with a low around 37. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 45 mph.

    Friday: Partly sunny, with a high near 46. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 55 mph.

    Friday Night: Mostly cloudy, with a low around 30. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Saturday: A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers. Cloudy, with a high near 43. Chance of precipitation is 20%.

    Saturday Night: Rain likely, possibly mixed with snow showers, mainly after 1am. Cloudy, with a low around 36. Chance of precipitation is 60%.

    Sunday: Showers. Cloudy, with a high near 57.

    Sunday Night: Rain and snow showers, becoming all snow after 1am. Cloudy, with a low around 20. Blustery.

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 26. Blustery.

    Monday Night: Mostly cloudy, with a low around 10.

    Tuesday: Mostly sunny, with a high near 27.

    Tuesday Night: Mostly cloudy, with a low around 18.

    Wednesday: Mostly cloudy, with a high near 41.



    Chicago Heights IL
     41.51°N 87.64°W

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