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

33°F

1°C

Humidity 78%
Wind Speed SE 5 mph
Barometer 30.24 in (1025.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 2 Mar 10:51 pm CST
Extended Forecast for

Chicago / Waukegan, Waukegan Regional Airport IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Southeast wind around 5 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow before noon, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 41. East wind around 5 mph becoming calm. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow
    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 37. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 50%.

    Low: 37 °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 60.

    High: 60 °F

    Showers

  • Friday Night

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

    Low: 49 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Southeast wind around 5 mph.
Tuesday
A slight chance of rain and snow before noon, then a slight chance of rain after 2pm. 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 37. 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 60.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago / Waukegan, Waukegan Regional Airport IL
 42.41°N 87.87°W
Last Update:
9:31 pm CST Mar 2, 2026
Forecast Valid:
11pm CST Mar 2, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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