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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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: 3:11 am CST Dec 5, 2025		Print

  • Overnight

    Overnight: Mostly cloudy, with a low around 5. Wind chill values as low as -9. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 5 °F

    Mostly Cloudy


  • Friday

    Friday: Partly sunny, with a high near 26. Wind chill values as low as -5. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 26 °F

    Partly Sunny


  • Friday
    Night

    Friday Night: Patchy snow and freezing rain before 3am. Mostly cloudy, with a low around 24. South southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Patchy Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 26. West northwest wind 5 to 10 mph becoming light north in the afternoon.

    High: 26 °F

    Partly Sunny


  • Saturday
    Night

    Saturday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 17. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

    Low: 17 °F

    Slight Chance
    Snow then
    Snow Likely

  • Sunday

    Sunday: Snow likely before noon. Partly sunny, with a high near 26. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely
    then Mostly
    Sunny

  • Sunday
    Night

    Sunday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 10.

    Low: 10 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny


  • Monday
    Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow




    • Overnight: Mostly cloudy, with a low around 5. Wind chill values as low as -9. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Friday: Partly sunny, with a high near 26. Wind chill values as low as -5. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Friday Night: Patchy snow and freezing rain before 3am. Mostly cloudy, with a low around 24. South southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    Saturday: Partly sunny, with a high near 26. West northwest wind 5 to 10 mph becoming light north in the afternoon.

    Saturday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 17. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 70%.

    Sunday: Snow likely before noon. Partly sunny, with a high near 26. Chance of precipitation is 60%.

    Sunday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 10.

    Monday: Partly sunny, with a high near 22.

    Monday Night: A chance of snow. Mostly cloudy, with a low around 15.

    Tuesday: Mostly cloudy, with a high near 35.

    Tuesday Night: Rain and snow. Cloudy, with a low around 28.

    Wednesday: A chance of rain and snow. Cloudy, with a high near 36.

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 14.

    Thursday: A chance of snow. Partly sunny, with a high near 23.


    Arlington Heights IL
     42.09°N 87.98°W

    Visit your local NWS office at: https://www.weather.gov/lot