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

-1°F

-18°C

Humidity 79%
Wind Speed W 7 mph
Barometer 30.19 in (1025.4 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-14°F (-26°C)
Last update 28 Jan 4:51 am CST
Extended Forecast for

Wonder Lake IL

  • Today

    Today: Mostly sunny, with a high near 13. Wind chill values as low as -17. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 13 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -2. Wind chill values as low as -13. Northwest wind 5 to 10 mph.

    Low: -2 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 12. Wind chill values as low as -13. Northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 12 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 0. Wind chill values as low as -12. North northwest wind 5 to 10 mph.

    Low: 0 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of snow. Mostly sunny, with a high near 16. North wind 10 to 15 mph.

    High: 16 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 13. Wind chill values as low as -17. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around -2. Wind chill values as low as -13. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 12. Wind chill values as low as -13. Northwest wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
Partly cloudy, with a low around 0. Wind chill values as low as -12. North northwest wind 5 to 10 mph.
Friday
A 40 percent chance of snow. Mostly sunny, with a high near 16. North wind 10 to 15 mph.
Friday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 4.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around 13.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
4:11 am CST Jan 28, 2026
Forecast Valid:
4am CST Jan 28, 2026-6pm CST Feb 3, 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