National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

25°F

-4°C

Humidity 92%
Wind Speed W 5 mph
Barometer 29.89 in (1013.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 21 Jan 9:51 pm 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

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values as low as -2. Blustery, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 13 °F

    Chance Snow
    and Blustery
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow after 3pm. Partly sunny, with a high near 20. Wind chill values as low as -3. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 20 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -10. Wind chill values as low as -32. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.

    Low: -10 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: A 20 percent chance of snow showers before noon. Mostly sunny and cold, with a high near -3. Wind chill values as low as -33. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: -3 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around -8. Northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: -8 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 10.

    High: 10 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 17.

    High: 17 °F

    Chance Snow

  • Sunday Night

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

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values as low as -2. Blustery, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Thursday
A 20 percent chance of snow after 3pm. Partly sunny, with a high near 20. Wind chill values as low as -3. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Thursday Night
Partly cloudy, with a low around -10. Wind chill values as low as -32. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Friday
A 20 percent chance of snow showers before noon. Mostly sunny and cold, with a high near -3. Wind chill values as low as -33. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around -8. Northwest wind around 10 mph, with gusts as high as 15 mph.
Saturday
A 40 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 10.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 5.
Sunday
A chance of snow. Mostly cloudy, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Mostly sunny, with a high near 11.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 20.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
Last Update:
9:41 pm CST Jan 21, 2026
Forecast Valid:
10pm CST Jan 21, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation