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

44°F

7°C

Humidity 47%
Wind Speed S 8 mph
Barometer 30.40 in (1030.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 28 Mar 3:51 pm CDT
Extended Forecast for

Wonder Lake IL

  • Tonight

    Tonight: Partly cloudy, with a low around 36. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 46. South southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Tuesday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 42.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 32.
Friday
Mostly cloudy, with a high near 55.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40.
Saturday
A chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
3:15 pm CDT Mar 28, 2026
Forecast Valid:
4pm CDT Mar 28, 2026-6pm CDT Apr 4, 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