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

10°F

-12°C

Humidity 76%
Wind Speed S 9 mph
Barometer 30.10 in (1021.6 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 5 Dec 12:51 am CST
Extended Forecast for

Wonder Lake IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 1. Wind chill values as low as -10. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 1 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26. Wind chill values as low as -5. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Patchy snow and freezing rain. Mostly cloudy, with a steady temperature around 26. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Patchy Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 25. West northwest wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 13. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.

    Low: 13 °F

    Slight Chance
    Snow then
    Snow Likely

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Partly sunny, with a high near 22.

    High: 22 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 1. Wind chill values as low as -10. South southwest wind around 10 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 26. Wind chill values as low as -5. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Patchy snow and freezing rain. Mostly cloudy, with a steady temperature around 26. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 25. West northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Saturday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 13. Calm wind becoming north around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of snow before noon. Partly sunny, with a high near 22.
Sunday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 2.
Monday
Partly sunny, with a high near 21.
Monday Night
Snow likely. Mostly cloudy, with a low around 13.
Tuesday
A chance of snow before noon. Mostly cloudy, with a high near 30.
Tuesday Night
Snow likely. Cloudy, with a low around 19.
Wednesday
Snow likely. Mostly cloudy, with a high near 32.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 9.
Thursday
A chance of snow. Partly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
Last Update:
12:16 am CST Dec 5, 2025
Forecast Valid:
1am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
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