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: 3:31 am CDT Mar 14, 2026
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  • Today

    Today: A slight chance of snow showers between 10am and 3pm.  Mostly cloudy, with a high near 42. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow Showers




  • Tonight

    Tonight: A 20 percent chance of showers after 1am.  Cloudy, with a low around 38. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Cloudy then
    Slight Chance
    Showers



  • Sunday

    Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 65. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers and
    Breezy then
    Showers
    Likely and
    Windy

  • Sunday
    Night

    Sunday Night: Rain showers before 1am, then rain and snow showers between 1am and 4am, then snow showers after 4am.  Patchy blowing snow after 4am. Low around 22. Breezy, with a south wind 20 to 25 mph becoming northwest after midnight. Winds could gust as high as 45 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Showers and
    Breezy then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow showers, mainly before 1pm.  Patchy blowing snow. High near 27. Blustery, with a west northwest wind around 25 mph, with gusts as high as 35 mph.  Chance of precipitation is 80%.

    High: 27 °F

    Snow Showers
    and Patchy
    Blowing Snow



  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 11. Blustery.

    Low: 11 °F

    Cloudy and
    Blustery then
    Partly Cloudy



  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny





  • Tuesday
    Night

    Tuesday Night: A chance of snow after 1am.  Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow



  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy





  • Today: A slight chance of snow showers between 10am and 3pm. Mostly cloudy, with a high near 42. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    Tonight: A 20 percent chance of showers after 1am. Cloudy, with a low around 38. East southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 65. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Sunday Night: Rain showers before 1am, then rain and snow showers between 1am and 4am, then snow showers after 4am. Patchy blowing snow after 4am. Low around 22. Breezy, with a south wind 20 to 25 mph becoming northwest after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Monday: Snow showers, mainly before 1pm. Patchy blowing snow. High near 27. Blustery, with a west northwest wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    Monday Night: Mostly cloudy, with a low around 11. Blustery.

    Tuesday: Mostly sunny, with a high near 25.

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 19.

    Wednesday: Mostly cloudy, with a high near 45.

    Wednesday Night: Partly cloudy, with a low around 32.

    Thursday: Mostly sunny, with a high near 56.

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

    Friday: Partly sunny, with a high near 54.



    Chicago Heights IL
     41.51°N 87.64°W

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