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: 3:06 am CDT Apr 18, 2026
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  • Today

    Today: A 30 percent chance of showers, mainly before 7am.  Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 46 by 9am. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Areas of frost after 4am.  Otherwise, mostly clear, with a low around 35. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm.  Areas of frost before 8am.  Otherwise, increasing clouds, with a high near 52. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 52 °F

    Areas Frost
    then Chance
    Showers

  • Sunday
    Night

    Sunday Night: Widespread frost, mainly after 5am.  Otherwise, mostly clear, with a low around 32. North northwest wind 5 to 10 mph becoming light north  after midnight. Winds could gust as high as 15 mph.

    Low: 32 °F

    Partly Cloudy
    then Frost


  • Monday

    Monday: Widespread frost before 8am.  Otherwise, sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 54 °F

    Frost then
    Sunny


  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy



  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny



  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy



  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny





  • Today: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 46 by 9am. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Tonight: Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Sunday: A 30 percent chance of showers after 1pm. Areas of frost before 8am. Otherwise, increasing clouds, with a high near 52. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    Sunday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 15 mph.

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    Monday Night: Mostly cloudy, with a low around 44.

    Tuesday: Mostly sunny, with a high near 73.

    Tuesday Night: Partly cloudy, with a low around 51.

    Wednesday: Sunny, with a high near 73.

    Wednesday Night: Mostly clear, with a low around 55.

    Thursday: Mostly sunny, with a high near 81.

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 61.

    Friday: Showers likely. Mostly cloudy, with a high near 74.



    Chicago Heights IL
     41.51°N 87.64°W

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