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

34°F

1°C

Humidity 73%
Wind Speed E 3 mph
Barometer 30.24 in (1025.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 2 Mar 11:51 pm CST
Extended Forecast for

Waukegan IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 33. East wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain, snow, and freezing rain before noon, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 41. East wind around 5 mph becoming calm. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Calm wind becoming northeast around 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 43. East wind around 5 mph, with gusts as high as 10 mph.

    High: 43 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 50%.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

  • Friday

    Friday: Showers, mainly after noon. Mostly cloudy, with a high near 61.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 33. East wind around 5 mph.
Tuesday
A slight chance of rain, snow, and freezing rain before noon, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 41. East wind around 5 mph becoming calm. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 32. Calm wind becoming northeast around 5 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 43. East wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 50%.
Thursday
Showers. High near 46. Chance of precipitation is 80%.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Friday
Showers, mainly after noon. Mostly cloudy, with a high near 61.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 49.
Saturday
A chance of showers before noon. Mostly cloudy, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
Last Update:
12:06 am CST Mar 3, 2026
Forecast Valid:
12am CST Mar 3, 2026-6pm CDT Mar 9, 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