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: 1:21 am CDT May 2, 2026
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  • Overnight

    Overnight: Widespread frost, mainly after 5am.  Otherwise, mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Frost


  • Saturday

    Saturday: Widespread frost, mainly before 7am.  Otherwise, mostly sunny, with a high near 54. Light northwest wind becoming north northwest 5 to 10 mph in the morning.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 40. West northwest wind 5 to 10 mph becoming south southwest in the evening.

    Low: 40 °F

    Mostly Clear


  • Sunday

    Sunday: A 40 percent chance of showers, mainly before 1pm.  Mostly cloudy, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 45. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Clear


  • Monday

    Monday: A 20 percent chance of showers after 4pm.  Sunny, with a high near 74.

    High: 74 °F

    Sunny then
    Slight Chance
    Showers

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm.  Mostly cloudy, with a high near 58.

    High: 58 °F

    Showers
    Likely

  • Tuesday
    Night

    Tuesday Night: Showers likely, mainly before 1am.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Showers
    Likely



  • Overnight: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 34. Calm wind.

    Saturday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 54. Light northwest wind becoming north northwest 5 to 10 mph in the morning.

    Saturday Night: Mostly clear, with a low around 40. West northwest wind 5 to 10 mph becoming south southwest in the evening.

    Sunday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Sunday Night: Mostly clear, with a low around 45. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Monday: A 20 percent chance of showers after 4pm. Sunny, with a high near 74.

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Tuesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 58.

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 42.

    Wednesday: A chance of showers after 1pm. Mostly cloudy, with a high near 55.

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 40.

    Thursday: A chance of showers. Mostly cloudy, with a high near 56.

    Thursday Night: Partly cloudy, with a low around 40.

    Friday: Mostly sunny, with a high near 62.



    Chicago Heights IL
     41.51°N 87.64°W

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