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

17°F

-8°C

Humidity 51%
Wind Speed NW 7 mph
Barometer 30.15 in (1023.1 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 17 Mar 10:51 am CDT
Extended Forecast for

Wonder Lake IL

  • Today

    Today: Increasing clouds, with a high near 21. Wind chill values as low as zero. West northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 21 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after 10pm. Temperature falling to near 18 by 8pm, then rising to around 23 during the remainder of the night. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 18 °F⇑

    Snow Likely
    then Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 7am. Mostly cloudy, with a high near 38. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 38 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 48. South southwest wind around 5 mph becoming north northwest in the afternoon. Winds could gust as high as 10 mph.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 21. Wind chill values as low as zero. West northwest wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Tonight
Snow, mainly after 10pm. Temperature falling to near 18 by 8pm, then rising to around 23 during the remainder of the night. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Wednesday
A 30 percent chance of snow before 7am. Mostly cloudy, with a high near 38. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph.
Thursday
Partly sunny, with a high near 48. South southwest wind around 5 mph becoming north northwest in the afternoon. Winds could gust as high as 10 mph.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 55.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 42.
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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:
9:21 am CDT Mar 17, 2026
Forecast Valid:
10am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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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