Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

20°F

-7°C

Humidity 85%
Wind Speed W 3 mph
Barometer 30.27 in (1026.5 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 12 Feb 1:51 am CST
Extended Forecast for

Wonder Lake IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. North northwest wind around 5 mph becoming calm.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 40. Calm wind becoming east around 5 mph in the morning.

    High: 40 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. East wind around 5 mph becoming south southwest after midnight.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. West southwest wind around 5 mph becoming calm  after midnight.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. North northwest wind around 5 mph becoming calm.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 25. East wind around 5 mph becoming south southwest after midnight.
Friday
Sunny, with a high near 48. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 29. West southwest wind around 5 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 31.
Washington's Birthday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
2:01 am CST Feb 12, 2026
2am CST Feb 12, 2026-6pm CST Feb 18, 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