National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast and Breezy

50°F

10°C

Humidity 80%
Wind Speed W 23 G 37 mph
Barometer 29.70 in (1005.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 7 Mar 12:51 pm CST
Extended Forecast for

Chicago / Waukegan, Waukegan Regional Airport IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 62. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 62 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers. Cloudy, with a low around 36.

    Low: 36 °F

    Showers

  • Wednesday

    Wednesday: Rain showers before noon, then a chance of rain and snow showers. Cloudy, with a high near 44.

    High: 44 °F

    Showers then
    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Cloudy, with a high near 62. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. West northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 46. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 43.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56.
Tuesday Night
Showers. Cloudy, with a low around 36.
Wednesday
Rain showers before noon, then a chance of rain and snow showers. Cloudy, with a high near 44.
Wednesday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 42.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 35.
Friday
Mostly cloudy, with a high near 56. Breezy.
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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:
12:36 pm CST Mar 7, 2026
Forecast Valid:
1pm CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Chance of Precipitation