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.

Overcast

35°F

2°C

Humidity 89%
Wind Speed NW 9 G 18 mph
Barometer 29.93 in (1014.3 mb)
Dewpoint 32°F (0°C)
Visibility 9.00 mi
Wind Chill28°F (-2°C)
Last update 11 Mar 4:51 pm CDT
Extended Forecast for

Wonder Lake IL

  • This Afternoon

    This Afternoon: A 40 percent chance of snow. Mostly cloudy, with a high near 35. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 35 °F

    Chance Snow

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Gradual
    Clearing

  • 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%.

    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.

    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.

    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

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Mostly cloudy, with a high near 35. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 25 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%.
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.
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.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
5:06 pm CDT Mar 11, 2026
Forecast Valid:
5pm CDT Mar 11, 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