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.

Fair

32°F

0°C

Humidity 66%
Wind Speed W 6 mph
Barometer 30.12 in (1021.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 11 Mar 11:51 pm CDT
Extended Forecast for

Wonder Lake IL

  • Overnight

    Overnight: Mostly clear, with a low around 26. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 44. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.

    High: 44 °F

    Partly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow showers before 1am, then rain and snow showers likely. Cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow showers. Cloudy, with a high near 42. Breezy.

    High: 42 °F

    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 15. Blustery.

    Low: 15 °F

    Rain/Snow
    Likely and
    Blustery

Detailed Forecast

Overnight
Mostly clear, with a low around 26. West wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Showers likely. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 44. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 25. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly cloudy, with a high near 40.
Saturday Night
A chance of snow showers before 1am, then rain and snow showers likely. Cloudy, with a low around 30. Chance of precipitation is 70%.
Sunday
Rain and snow showers. Cloudy, with a high near 42. Breezy.
Sunday Night
Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 15. Blustery.
Monday
Mostly cloudy, with a high near 24. Blustery.
Monday Night
Mostly cloudy, with a low around 3.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
9:51 pm CDT Mar 11, 2026
Forecast Valid:
12am CDT Mar 12, 2026-6pm CDT Mar 18, 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