7-Day Forecast 42.09°N 87.98°W (Text-Only)
NWS Forecast for: Arlington Heights IL
Issued by: National Weather Service Chicago, IL
Last Update: 5:11 pm CST Jan 23, 2026
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  • Tonight

    Tonight: Increasing clouds, with a low around -11. Wind chill values as low as -25. North northwest wind 5 to 10 mph.

    Low: -11 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 8. Wind chill values as low as -23. North northwest wind around 5 mph.

    High: 8 °F

    Cold

  • Saturday
    Night

    Saturday Night: Snow likely, mainly after midnight.  Cloudy, with a low around 5. Wind chill values as low as -5. North wind around 5 mph, with gusts as high as 15 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 5 °F

    Snow Likely

  • Sunday

    Sunday: Snow likely.  Cloudy, with a high near 17. Wind chill values as low as -3. North wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 17 °F

    Snow Likely

  • Sunday
    Night

    Sunday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 1. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 1 °F

    Chance Snow

  • Monday

    Monday: Sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy



  • Tonight: Increasing clouds, with a low around -11. Wind chill values as low as -25. North northwest wind 5 to 10 mph.

    Saturday: Mostly cloudy and cold, with a high near 8. Wind chill values as low as -23. North northwest wind around 5 mph.

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 5. Wind chill values as low as -5. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Sunday: Snow likely. Cloudy, with a high near 17. Wind chill values as low as -3. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Sunday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 1. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Monday: Sunny and cold, with a high near 9.

    Monday Night: Partly cloudy, with a low around 4.

    Tuesday: Partly sunny, with a high near 18.

    Tuesday Night: Partly cloudy, with a low around 2.

    Wednesday: Partly sunny, with a high near 13.

    Wednesday Night: Mostly cloudy, with a low around 1.

    Thursday: Mostly sunny, with a high near 14.

    Thursday Night: Partly cloudy, with a low around 3.

    Friday: Mostly sunny, with a high near 20.



    Arlington Heights IL
     42.09°N 87.98°W

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