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

61°F

16°C

Humidity 97%
Wind Speed S 8 mph
Barometer 29.81 in (1009.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 6 Mar 4:51 pm CST
Extended Forecast for

Wonder Lake IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 64. South wind around 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 57. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Chance
    T-storms then
    T-storms and
    Breezy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F⇓

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 64. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 57. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 41.
Tuesday
A chance of showers after noon. Mostly sunny, with a high near 56.
Tuesday Night
Showers likely, mainly before midnight. Cloudy, with a low around 33.
Wednesday
A chance of showers. Mostly cloudy, with a high near 43.
Wednesday Night
Mostly clear, with a low around 25.
Thursday
Sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly cloudy, with a high near 57. Breezy.
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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:
5:06 pm CST Mar 6, 2026
Forecast Valid:
5pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation