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.

Fair

42°F

6°C

Humidity 51%
Wind Speed W 5 mph
Barometer 30.23 in (1023.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 4 Nov 1:51 am CST
Extended Forecast for

Waukegan IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. West wind around 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. West southwest wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Breezy, with a west southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain, mainly after midnight. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Slight Chance
    Rain then
    Rain

  • Friday

    Friday: A chance of rain before noon. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. West wind around 5 mph.
Tuesday
Mostly sunny, with a high near 62. West southwest wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 50. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Mostly sunny, with a high near 58. Breezy, with a west southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 35. West northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Thursday
Partly sunny, with a high near 55.
Thursday Night
Rain, mainly after midnight. Low around 48. Chance of precipitation is 80%.
Friday
A chance of rain before noon. Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
A chance of rain after noon. Partly sunny, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 34.
Sunday
A chance of rain. Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
Last Update:
1:56 am CST Nov 4, 2025
Forecast Valid:
2am CST Nov 4, 2025-6pm CST Nov 10, 2025
 
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