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.

Mostly Cloudy

26°F

-3°C

Humidity 69%
Wind Speed W 9 G 22 mph
Barometer 29.88 in (1013.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 21 Jan 11:51 am 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: A 40 percent chance of snow showers after 5pm. Mostly cloudy, with a high near 25. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 25 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Snow showers likely, mainly before 10pm. Patchy blowing snow before 3am. Mostly cloudy, with a low around 8. Wind chill values as low as -6. Blustery, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 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: A 20 percent chance of snow showers after 3pm. Increasing clouds, with a high near 19. Wind chill values as low as -7. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 19 °F

    Sunny then
    Slight Chance
    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -13. Wind chill values as low as -34. 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 -5. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -5 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -14.

    Low: -14 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Partly sunny and cold, with a high near 3.

    High: 3 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around -4.

    Low: -4 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 11.

    High: 11 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 40 percent chance of snow showers after 5pm. Mostly cloudy, with a high near 25. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Snow showers likely, mainly before 10pm. Patchy blowing snow before 3am. Mostly cloudy, with a low around 8. Wind chill values as low as -6. Blustery, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday
A 20 percent chance of snow showers after 3pm. Increasing clouds, with a high near 19. Wind chill values as low as -7. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around -13. Wind chill values as low as -34. West northwest wind around 15 mph, with gusts as high as 30 mph.
Friday
Sunny and cold, with a high near -5. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around -14.
Saturday
A 20 percent chance of snow after noon. Partly sunny and cold, with a high near 3.
Saturday Night
A chance of snow. Mostly cloudy, with a low around -4.
Sunday
A chance of snow. Mostly cloudy, with a high near 11.
Sunday Night
Partly cloudy, with a low around -5.
Monday
Sunny, with a high near 12.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
12:06 pm CST Jan 21, 2026
Forecast Valid:
12pm CST Jan 21, 2026-6pm CST Jan 27, 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