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 S 5 mph
Barometer 29.68 in (1006.0 mb)
Dewpoint 36°F (2°C)
Visibility 1.50 mi
Wind Chill33°F (1°C)
Last update 26 Dec 5:51 am CST
Extended Forecast for

Wonder Lake IL

  • Today

    Today: Intermittent rain, mainly before 8am. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 44. South southeast wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

    High: 44 °F

    Intermittent
    Rain and
    Areas Dense
    Fog then
    Cloudy

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Cloudy then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, with a high near 42. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Cloudy, with a low around 40. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after noon. Cloudy, with a high near 53. South southwest wind 5 to 10 mph becoming north northwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 53 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then a chance of snow showers after midnight. Cloudy, with a low around 19. Blustery. Chance of precipitation is 60%.

    Low: 19 °F

    Blustery.
    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Monday

    Monday: A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 24. Blustery.

    High: 24 °F

    Blustery.
    Chance Snow
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

Today
Intermittent rain, mainly before 8am. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 44. South southeast wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Tonight
Patchy fog after midnight. Otherwise, cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, cloudy, with a high near 42. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 40 percent chance of showers. Cloudy, with a low around 40. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Showers likely, mainly after noon. Cloudy, with a high near 53. South southwest wind 5 to 10 mph becoming north northwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then a chance of snow showers after midnight. Cloudy, with a low around 19. Blustery. Chance of precipitation is 60%.
Monday
A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 24. Blustery.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 8.
New Year's Day
Mostly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.41°N 88.34°W
Last Update:
5:41 am CST Dec 26, 2025
Forecast Valid:
6am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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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