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: 3:46 am CDT Mar 18, 2026
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  • Overnight

    Overnight: Snow showers.  Low around 21. South wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 21 °F

    Snow Showers



  • Wednesday

    Wednesday: Snow showers, mainly before 7am.  High near 44. South 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.

    High: 44 °F

    Snow Showers
    then Partly
    Sunny

  • Wednesday
    Night

    Wednesday Night: Scattered showers, mainly after 4am.  Increasing clouds, with a low around 33. Southwest wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 40%.

    Low: 33 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers before 1pm.  Partly sunny, with a high near 54. South wind around 5 mph becoming north northeast in the afternoon.  Chance of precipitation is 30%.

    High: 54 °F

    Scattered
    Showers


  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming south after midnight.

    Low: 39 °F

    Mostly Cloudy



  • Friday

    Friday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy



  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy



  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny



  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy





  • Overnight: Snow showers. Low around 21. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Wednesday: Snow showers, mainly before 7am. High near 44. South 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.

    Wednesday Night: Scattered showers, mainly after 4am. Increasing clouds, with a low around 33. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 40%.

    Thursday: Scattered showers before 1pm. Partly sunny, with a high near 54. South wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 30%.

    Thursday Night: Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming south after midnight.

    Friday: Mostly cloudy, with a high near 67.

    Friday Night: Mostly cloudy, with a low around 41.

    Saturday: Mostly sunny, with a high near 66.

    Saturday Night: Partly cloudy, with a low around 45.

    Sunday: Mostly cloudy, with a high near 60.

    Sunday Night: Mostly cloudy, with a low around 31.

    Monday: Partly sunny, with a high near 42.

    Monday Night: Mostly cloudy, with a low around 30.

    Tuesday: Partly sunny, with a high near 52.



    Chicago Heights IL
     41.51°N 87.64°W

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