Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

22°F

-6°C

Humidity 85%
Wind Speed Calm
Barometer 29.96 in (1016.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 21 Jan 3:51 am CST
Extended Forecast for

Waukegan IL

Extreme Cold Watch January 23, 03:00am until January 23, 12:00pm
Click here for hazard details and duration
Extreme Cold Watch
  • Overnight

    Overnight: A 30 percent chance of snow.  Cloudy, with a steady temperature around 22. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 22 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 10am, then a chance of snow showers after 5pm.  Mostly cloudy, with a high near 27. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    High: 27 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 10pm.  Patchy blowing snow between 9pm and 3am. Mostly cloudy, with a low around 10. Wind chill values as low as -5. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 10 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: A 20 percent chance of snow showers after 3pm.  Mostly sunny, with a high near 21. Wind chill values as low as -5. West wind around 15 mph, with gusts as high as 30 mph.

    High: 21 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before 9pm.  Partly cloudy, with a low around -10. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -10 °F

    Blustery.
    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -2. Blustery.

    High: -2 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -9.

    Low: -9 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 6.

    High: 6 °F

    Cold

  • Saturday Night

    Saturday Night: A chance of snow.  Mostly cloudy, with a low around 1.

    Low: 1 °F

    Chance Snow

Detailed Forecast

Overnight
A 30 percent chance of snow. Cloudy, with a steady temperature around 22. South wind around 10 mph, with gusts as high as 15 mph.
Wednesday
A chance of snow before 10am, then a chance of snow showers after 5pm. Mostly cloudy, with a high near 27. West southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Wednesday Night
Snow showers likely, mainly before 10pm. Patchy blowing snow between 9pm and 3am. Mostly cloudy, with a low around 10. Wind chill values as low as -5. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 21. Wind chill values as low as -5. West wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
A 20 percent chance of snow showers before 9pm. Partly cloudy, with a low around -10. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny and cold, with a high near -2. Blustery.
Friday Night
Mostly cloudy, with a low around -9.
Saturday
Partly sunny and cold, with a high near 6.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 1.
Sunday
A chance of snow. Mostly cloudy, with a high near 14.
Sunday Night
Partly cloudy, with a low around 0.
Monday
Sunny, with a high near 14.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
4:11 am CST Jan 21, 2026
4am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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