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 Rain

55°F

13°C

Humidity 90%
Wind Speed S 14 G 23 mph
Barometer 29.29 in (992.3 mb)
Dewpoint 52°F (11°C)
Visibility 7.00 mi
Wind Chill51°F (11°C)
Last update 15 Mar 1:51 pm CDT
Extended Forecast for

Wonder Lake IL

Winter Weather Advisory March 15, 10:00pm until March 16, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 52. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers and
    Breezy

  • Tonight

    Tonight: Rain and sleet, possibly mixed with freezing rain before 11pm, then snow, possibly mixed with sleet between 11pm and midnight, then snow after midnight. Patchy blowing snow after 1am. Low around 20. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Wintry Mix
    and Blustery
    then Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 1pm. Areas of blowing snow. High near 22. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 22 °F

    Snow and
    Areas Blowing
    Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 6. Wind chill values as low as -8. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 6 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.

    Low: 16 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 52. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and sleet, possibly mixed with freezing rain before 11pm, then snow, possibly mixed with sleet between 11pm and midnight, then snow after midnight. Patchy blowing snow after 1am. Low around 20. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow, mainly before 1pm. Areas of blowing snow. High near 22. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Patchy blowing snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 6. Wind chill values as low as -8. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 21. West northwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 57.
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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:
1:21 pm CDT Mar 15, 2026
Forecast Valid:
2pm CDT Mar 15, 2026-6pm CDT Mar 21, 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