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

22°F

-6°C

Humidity 89%
Wind Speed E 7 mph
Barometer 30.34 in (1029.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 8 Feb 2:51 am CST
Extended Forecast for

Wonder Lake IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. Southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. South wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. Southeast wind around 5 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 31. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 20. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Partly sunny, with a high near 38. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 32. South wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
A chance of snow after noon. Mostly cloudy, with a high near 36.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 38.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
A chance of snow. Mostly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
Last Update:
3:46 am CST Feb 8, 2026
Forecast Valid:
3am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
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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