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.

Fog/Mist

37°F

3°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 30.02 in (1017.7 mb)
Dewpoint 36°F (2°C)
Visibility 1.00 mi
Wind Chill32°F (0°C)
Last update 4 Mar 9:51 pm CST
Extended Forecast for

Wonder Lake IL

Dense Fog Advisory March 4, 10:43pm until March 5, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 4, 10:43pm until March 5, 12:00pm

    NOW until 12:00pm Thu

    Dense Fog Advisory

  • Tonight

    Low: 38 °F

    Isolated
    Showers and
    Patchy Dense
    Fog

  • Thursday

    Thursday: Scattered showers, mainly before 9am. Patchy dense fog. Otherwise, cloudy, with a high near 43. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.

    High: 43 °F

    Scattered
    Showers and
    Patchy Dense
    Fog

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, cloudy, with a low around 41. East northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

    Low: 41 °F

    Patchy Fog

  • Friday

    Friday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Patchy fog before noon. High near 69. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%.

    High: 69 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 50. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Partly sunny, with a high near 61.

    High: 61 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Tonight
Isolated showers. Patchy dense fog. Otherwise, cloudy, with a low around 38. Northeast wind around 5 mph. Chance of precipitation is 20%.
Thursday
Scattered showers, mainly before 9am. Patchy dense fog. Otherwise, cloudy, with a high near 43. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 30%.
Thursday Night
Patchy fog. Otherwise, cloudy, with a low around 41. East northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.
Friday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Patchy fog before noon. High near 69. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Friday Night
Showers and possibly a thunderstorm. Low around 50. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Showers likely. Partly sunny, with a high near 66.
Tuesday Night
Showers. Cloudy, with a low around 38.
Wednesday
Rain and snow showers likely. Mostly cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
10:31 pm CST Mar 4, 2026
Forecast Valid:
10pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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