Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

21°F

-6°C

Humidity 88%
Wind Speed Calm
Barometer 30.19 in (1023.9 mb)
Dewpoint 18°F (-8°C)
Visibility 9.00 mi
Last update 9 Feb 6:51 am CST
Extended Forecast for

Wonder Lake IL

  • Today

    Today: Increasing clouds, with a high near 37. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 37 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 37 by 1am. South wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 37. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a temperature rising to around 37 by 1am. South wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 40. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 23. Northwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 39.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 40.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Sunday
A chance of snow. Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
5:36 am CST Feb 9, 2026
6am CST Feb 9, 2026-6pm CST Feb 15, 2026
 
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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