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.

Mostly Cloudy

33°F

1°C

Humidity 85%
Wind Speed SW 16 mph
Barometer 29.88 in (1012.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 8 Mar 2:51 am CDT
Extended Forecast for

Wonder Lake IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 60 °F

    Sunny and
    Breezy

  • 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 69. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Sunny then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 37. Chance of precipitation is 90%.

    Low: 37 °F

    Showers

  • Wednesday

    Wednesday: Rain showers before 1pm, then snow showers likely. Cloudy, with a high near 45. Breezy.

    High: 45 °F

    Showers then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow before 1am. Partly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 60. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 35 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 69. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 45. South southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 66. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 37. Chance of precipitation is 90%.
Wednesday
Rain showers before 1pm, then snow showers likely. Cloudy, with a high near 45. Breezy.
Wednesday Night
A chance of snow before 1am. Partly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
A chance of rain and snow. Cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 50. Breezy.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A chance of snow. Mostly cloudy, with a high near 40.
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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:
3:06 am CDT Mar 8, 2026
Forecast Valid:
3am CDT Mar 8, 2026-6pm CDT Mar 14, 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