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.

Light Snow

18°F

-8°C

Humidity 74%
Wind Speed NW 13 G 26 mph
Barometer 29.90 in (1013.8 mb)
Dewpoint 11°F (-12°C)
Visibility 3.00 mi
Wind Chill5°F (-15°C)
Last update 14 Jan 2:51 pm CST
Extended Forecast for

Wonder Lake IL

  • This Afternoon

    This Afternoon: Isolated snow showers before 4pm. Partly sunny, with a steady temperature around 20. Blustery, with a north northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 20 °F

    Isolated Snow
    Showers and
    Blustery

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Wind chill values as low as -2. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 23. Wind chill values as low as -2. Northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 23 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow. Low around 21. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Snow

  • Friday

    Friday: Snow showers likely, mainly before noon. Mostly cloudy, with a high near 35. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 35 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 17.

    High: 17 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 15.

    High: 15 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Isolated snow showers before 4pm. Partly sunny, with a steady temperature around 20. Blustery, with a north northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 11. Wind chill values as low as -2. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday
Increasing clouds, with a high near 23. Wind chill values as low as -2. Northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Snow. Low around 21. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 35. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 12.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 17.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Mostly cloudy, with a high near 15.
Sunday Night
Mostly cloudy, with a low around 4.
M.L.King Day
Partly sunny and cold, with a high near 10.
Monday Night
Partly cloudy, with a low around -1.
Tuesday
Mostly sunny, with a high near 15.
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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 14, 2026
Forecast Valid:
3pm CST Jan 14, 2026-6pm CST Jan 20, 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