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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

16°F

-9°C

Humidity 54%
Wind Speed SW 12 mph
Barometer 30.24 in (1026.9 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 20 Jan 3:51 pm CST
Extended Forecast for

Wonder Lake IL

Winter Weather Advisory January 20, 08:00pm until January 21, 08:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow, mainly after 9pm. Temperature rising to around 18 by 1am. South wind around 5 mph becoming west southwest after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 14 °F⇑

    Snow

  • Wednesday

    Wednesday: A chance of snow or flurries before 4pm, then scattered flurries with isolated snow showers between 4pm and 5pm, then scattered snow showers after 5pm. Mostly cloudy, with a high near 24. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 24 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 10pm. Patchy blowing snow before 3am. Mostly cloudy, with a low around 8. Wind chill values as low as -7. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 8 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 17. Wind chill values as low as -7. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 17 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -12. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: -12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -5.

    High: -5 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -13.

    Low: -13 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 4.

    High: 4 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -3.

    Low: -3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 9pm. Temperature rising to around 18 by 1am. South wind around 5 mph becoming west southwest after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
A chance of snow or flurries before 4pm, then scattered flurries with isolated snow showers between 4pm and 5pm, then scattered snow showers after 5pm. Mostly cloudy, with a high near 24. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday Night
Snow showers likely, mainly before 10pm. Patchy blowing snow before 3am. Mostly cloudy, with a low around 8. Wind chill values as low as -7. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
Mostly sunny, with a high near 17. Wind chill values as low as -7. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around -12. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny and cold, with a high near -5.
Friday Night
Partly cloudy, with a low around -13.
Saturday
Mostly cloudy and cold, with a high near 4.
Saturday Night
Mostly cloudy, with a low around -3.
Sunday
Partly sunny, with a high near 11.
Sunday Night
Mostly cloudy, with a low around -3.
Monday
Mostly sunny, with a high near 13.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 22.
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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:
3:11 pm CST Jan 20, 2026
Forecast Valid:
4pm CST Jan 20, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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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