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 68%
Wind Speed W 13 G 23 mph
Barometer 30.07 in (1019.9 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 11 Jan 3:51 am CST
Extended Forecast for

Waukegan IL

  • Overnight

    Overnight: Scattered flurries with a slight chance of snow showers. Cloudy, with a low around 22. Blustery, with a west northwest wind around 25 mph, with gusts as high as 35 mph.

    Low: 22 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Sunday

    Sunday: Scattered flurries with a slight chance of snow showers before 9am. Partly sunny, with a high near 33. Breezy, with a northwest wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 33 °F

    Slight Chance
    Snow Showers
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. West southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 47.

    High: 47 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain showers between midnight and 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow showers likely. Mostly cloudy, with a high near 32. Breezy.

    High: 32 °F

    Snow Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 17. Blustery.

    Low: 17 °F

    Chance Snow
    Showers and
    Blustery

Detailed Forecast

Overnight
Scattered flurries with a slight chance of snow showers. Cloudy, with a low around 22. Blustery, with a west northwest wind around 25 mph, with gusts as high as 35 mph.
Sunday
Scattered flurries with a slight chance of snow showers before 9am. Partly sunny, with a high near 33. Breezy, with a northwest wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 27. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 41. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 34. West southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 47.
Tuesday Night
A slight chance of rain showers between midnight and 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Wednesday
Snow showers likely. Mostly cloudy, with a high near 32. Breezy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Blustery.
Thursday
Partly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow showers. Mostly cloudy, with a high near 33.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 20.
Saturday
Mostly cloudy, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.85°W
Last Update:
3:11 am CST Jan 11, 2026
Forecast Valid:
4am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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