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.

Overcast

44°F

7°C

Humidity 63%
Wind Speed SE 6 mph
Barometer 30.21 in (1023.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 11 Apr 8:51 pm CDT
Extended Forecast for

Wonder Lake IL

  • Tonight

    Tonight: A chance of rain before midnight, then a chance of showers and thunderstorms, mainly between midnight and 4am. Cloudy, with a temperature falling to near 47 by 11pm, then rising to around 53 during the remainder of the night. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 47 °F⇑

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 75. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 10pm, then showers between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers and
    Breezy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of rain before midnight, then a chance of showers and thunderstorms, mainly between midnight and 4am. Cloudy, with a temperature falling to near 47 by 11pm, then rising to around 53 during the remainder of the night. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 75. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Sunday Night
Showers likely and possibly a thunderstorm before 10pm, then showers between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 60. Chance of precipitation is 80%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 54.
Friday
A chance of showers. Mostly sunny, with a high near 77.
Friday Night
Showers likely. Mostly cloudy, with a low around 45.
Saturday
A chance of showers. Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
9:26 pm CDT Apr 11, 2026
Forecast Valid:
9pm CDT Apr 11, 2026-6pm CDT Apr 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