National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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: 8:11 pm CDT Mar 14, 2026		Print

  • Tonight

    Tonight: Cloudy, with a temperature rising to around 40 by 5am. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F⇑

    Cloudy




  • Sunday

    Sunday: A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 62. 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 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers
    Likely and
    Windy


  • Sunday
    Night

    Sunday Night: Rain before 1am, then snow, possibly mixed with rain between 1am and 2am, then snow after 2am. Patchy blowing snow after 4am. Low around 23. Windy, with a south southwest wind 20 to 30 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: 23 °F

    Showers and
    Breezy then
    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. Patchy blowing snow. High near 26. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 26 °F

    Snow and
    Patchy
    Blowing Snow


  • Monday
    Night

    Monday Night: A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around 12. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 12 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny




  • Tuesday
    Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny




  • Wednesday
    Night

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

    Low: 32 °F

    Mostly Cloudy




    • Tonight: Cloudy, with a temperature rising to around 40 by 5am. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Sunday: A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 62. 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 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Sunday Night: Rain before 1am, then snow, possibly mixed with rain between 1am and 2am, then snow after 2am. Patchy blowing snow after 4am. Low around 23. Windy, with a south southwest wind 20 to 30 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, mainly before 1pm. Patchy blowing snow. High near 26. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Monday Night: A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around 12. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Tuesday: Mostly sunny, with a high near 26.

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Wednesday: Partly sunny, with a high near 45.

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

    Thursday: Mostly sunny, with a high near 57.

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

    Friday: Partly sunny, with a high near 58.

    Friday Night: Mostly cloudy, with a low around 39.

    Saturday: Mostly sunny, with a high near 60.


    Chicago Heights IL
     41.51°N 87.64°W

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