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

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

21°F

-6°C

Humidity 88%
Wind Speed SW 12 mph
Barometer 30.04 in (1018.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 2 Feb 2:51 am CST
Extended Forecast for

Waukegan IL

  • Overnight

    Overnight: Areas of snow showers and freezing rain before 4am, then areas of freezing rain. Cloudy, with a low around 21. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    Low: 21 °F

    Areas Wintry
    Mix

  • Monday

    Monday: Patchy freezing rain before 8am. Cloudy, with a high near 27. West northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    High: 27 °F

    Patchy
    Freezing Rain
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 14. West northwest wind 5 to 10 mph.

    Low: 14 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. North northwest wind around 10 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 10. Northwest wind 5 to 10 mph.

    Low: 10 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

Detailed Forecast

Overnight
Areas of snow showers and freezing rain before 4am, then areas of freezing rain. Cloudy, with a low around 21. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Monday
Patchy freezing rain before 8am. Cloudy, with a high near 27. West northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 14. West northwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 23. North northwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 10. Northwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 31.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
Last Update:
2:26 am CST Feb 2, 2026
Forecast Valid:
3am CST Feb 2, 2026-6pm CST Feb 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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