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.

Light Snow

15°F

-9°C

Humidity 80%
Wind Speed W 14 mph
Barometer 30.02 in (1018.6 mb)
Dewpoint 10°F (-12°C)
Visibility 8.00 mi
Wind Chill0°F (-18°C)
Last update 17 Jan 11:51 pm CST
Extended Forecast for

Waukegan IL

  • Overnight

    Overnight: Snow likely, mainly before 1am, then a chance of flurries after 2am. Cloudy, with a low around 8. Wind chill values as low as -5. West wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 8 °F

    Snow Likely

  • Sunday

    Sunday: Snow likely, mainly after 4pm. Cloudy, with a high near 18. Wind chill values as low as -7. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 18 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Cloudy, with a low around 2. Wind chill values as low as -17. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 2 °F

    Snow Likely
    and Breezy
    then Slight
    Chance Snow
    and Blustery

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 8. Wind chill values as low as -18. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 8 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 1. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before noon. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow likely, mainly before 1am, then a chance of flurries after 2am. Cloudy, with a low around 8. Wind chill values as low as -5. West wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow likely, mainly after 4pm. Cloudy, with a high near 18. Wind chill values as low as -7. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely, mainly before midnight. Cloudy, with a low around 2. Wind chill values as low as -17. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
M.L.King Day
Partly sunny and cold, with a high near 8. Wind chill values as low as -18. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around 1. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 15.
Wednesday
A chance of snow before noon. Mostly cloudy, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 9.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 24.
Friday Night
Mostly cloudy, with a low around 6.
Saturday
A chance of snow. Mostly cloudy, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
Last Update:
11:41 pm CST Jan 17, 2026
Forecast Valid:
12am CST Jan 18, 2026-6pm CST Jan 24, 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