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.

Partly Cloudy

24°F

-4°C

Humidity 71%
Wind Speed SW 14 mph
Barometer 29.87 in (1013.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 21 Jan 4:51 pm CST
Extended Forecast for

Wonder Lake IL

Extreme Cold Watch January 23, 03:00am until January 23, 12:00pm
Click here for hazard details and duration
Extreme Cold Watch

  • This Afternoon

    This Afternoon: Scattered snow showers. Cloudy, with a high near 24. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 24 °F

    Scattered
    Snow Showers

  • Tonight

    Tonight: Snow, mainly before 11pm. Patchy blowing snow between midnight and 3am. Low around 9. Wind chill values as low as -6. Southwest wind 5 to 15 mph becoming northwest in the evening. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 9 °F

    Snow and
    Patchy
    Blowing Snow
    then Patchy
    Blowing Snow

  • Thursday

    Thursday: A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 20. Wind chill values as low as -6. Breezy, with a west wind 10 to 20 mph, with gusts as high as 35 mph.

    High: 20 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -13. Wind chill values as low as -35. West northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: -13 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near -6. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -6 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -12.

    Low: -12 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 5.

    High: 5 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 14.

    High: 14 °F

    Chance Snow

Detailed Forecast

This Afternoon
Scattered snow showers. Cloudy, with a high near 24. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
Snow, mainly before 11pm. Patchy blowing snow between midnight and 3am. Low around 9. Wind chill values as low as -6. Southwest wind 5 to 15 mph becoming northwest in the evening. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday
A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 20. Wind chill values as low as -6. Breezy, with a west wind 10 to 20 mph, with gusts as high as 35 mph.
Thursday Night
Partly cloudy, with a low around -13. Wind chill values as low as -35. West northwest wind around 15 mph, with gusts as high as 30 mph.
Friday
Sunny and cold, with a high near -6. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -12.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 5.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 0.
Sunday
A chance of snow. Mostly cloudy, with a high near 14.
Sunday Night
Mostly cloudy, with a low around -3.
Monday
Mostly sunny and cold, with a high near 9.
Monday Night
Partly cloudy, with a low around -1.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Mostly cloudy, with a low around 4.
Wednesday
Partly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
Last Update:
5:36 pm CST Jan 21, 2026
Forecast Valid:
5pm CST Jan 21, 2026-6pm CST Jan 28, 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