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

15°F

-9°C

Humidity 64%
Wind Speed W 16 G 26 mph
Barometer 29.94 in (1016.0 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 17 Jan 1:51 pm CST
Extended Forecast for

Waukegan IL

  • This Afternoon

    This Afternoon: Snow. High near 19. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

    High: 19 °F

    Snow and
    Breezy

  • Tonight

    Tonight: Snow before 11pm, then isolated snow showers between 11pm and midnight, then scattered flurries after midnight. Low around 9. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Snow likely, mainly after 4pm. Mostly 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

    Partly Sunny
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Cloudy, with a low around 3. Wind chill values as low as -17. Blustery, with a southwest wind 15 to 20 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 3 °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. Blustery, with a west northwest wind 15 to 25 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.

    Low: 1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 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

Detailed Forecast

This Afternoon
Snow. High near 19. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow before 11pm, then isolated snow showers between 11pm and midnight, then scattered flurries after midnight. Low around 9. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after 4pm. Mostly 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 3. Wind chill values as low as -17. Blustery, with a southwest wind 15 to 20 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 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. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
A 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.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
Last Update:
1:26 pm CST Jan 17, 2026
Forecast Valid:
2pm CST Jan 17, 2026-6pm CST Jan 23, 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