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

22°F

-6°C

Humidity 60%
Wind Speed SW 12 mph
Barometer 29.80 in (1011.2 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 15 Jan 4:51 pm CST
Extended Forecast for

Wonder Lake IL

  • Tonight

    Tonight: Snow likely, mainly after 5am. Mostly cloudy, with a temperature rising to around 25 by 5am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.

    Low: 22 °F⇑

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 12. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 18. Wind chill values as low as -2. West wind around 15 mph, with gusts as high as 25 mph.

    High: 18 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 6. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 6 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 17.

    High: 17 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Slight Chance
    Snow Showers

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 6. Blustery.

    High: 6 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 5am. Mostly cloudy, with a temperature rising to around 25 by 5am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 12. Wind chill values as low as -1. West wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A 40 percent chance of snow showers, mainly after noon. Mostly cloudy, with a high near 18. Wind chill values as low as -2. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 6. West wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 17.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 0.
M.L.King Day
Partly sunny and cold, with a high near 6. Blustery.
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 10.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
2:41 pm CST Jan 15, 2026
Forecast Valid:
5pm CST Jan 15, 2026-6pm CST Jan 22, 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