National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Partly Cloudy

27°F

-3°C

Humidity 63%
Wind Speed W 16 G 26 mph
Barometer 29.64 in (1005.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 16 Jan 9:51 pm CST
Extended Forecast for

Wonder Lake IL

  • Tonight

    Tonight: Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 13. Wind chill values as low as -1. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 13 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Snow likely, mainly after 3pm. 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. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 18 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 9pm. Mostly cloudy, with a low around 6. Wind chill values as low as -8. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 6 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow after noon. Mostly cloudy, with a high near 18. Wind chill values as low as -9. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 18 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -2. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -2 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • 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 -2.

    Low: -2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 13. Wind chill values as low as -1. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
Snow likely, mainly after 3pm. 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. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow, mainly before 9pm. Mostly cloudy, with a low around 6. Wind chill values as low as -8. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 18. Wind chill values as low as -9. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -2. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
M.L.King Day
Partly sunny and cold, with a high near 6. Blustery.
Monday Night
Partly cloudy, with a low around -2.
Tuesday
Mostly sunny, with a high near 17.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
A chance of snow after noon. Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 18.
Thursday Night
Mostly cloudy, with a low around 7.
Friday
Mostly cloudy, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
Last Update:
9:06 pm CST Jan 16, 2026
Forecast Valid:
10pm CST Jan 16, 2026-6pm CST Jan 23, 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