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.

Partly Cloudy

13°F

-11°C

Humidity 56%
Wind Speed W 8 G 20 mph
Barometer 30.16 in (1023.3 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 22 Jan 8:51 am CST
Extended Forecast for

Wonder Lake IL

Extreme Cold Warning January 23, 03:00am until January 23, 12:00pm
Click here for hazard details and duration
Extreme Cold Warning

  • Today

    Today: A chance of flurries between 10am and noon, then a slight chance of snow showers after noon. Partly sunny, with a high near 19. Wind chill values as low as -3. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 19 °F

    Breezy.
    Chance
    Flurries then
    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A chance of flurries before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -14. Wind chill values as low as -35. West northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: -14 °F

    Chance
    Flurries

  • Friday

    Friday: Sunny and cold, with a high near -5. Wind chill values as low as -37. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -5 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -11. Wind chill values as low as -24. North northwest wind 5 to 10 mph.

    Low: -11 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 6. North northwest wind around 5 mph.

    High: 6 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -1.

    Low: -1 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow. Mostly cloudy, with a high near 13.

    High: 13 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -4.

    Low: -4 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of flurries between 10am and noon, then a slight chance of snow showers after noon. Partly sunny, with a high near 19. Wind chill values as low as -3. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Tonight
A chance of flurries before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -14. Wind chill values as low as -35. West northwest wind around 15 mph, with gusts as high as 30 mph.
Friday
Sunny and cold, with a high near -5. Wind chill values as low as -37. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -11. Wind chill values as low as -24. North northwest wind 5 to 10 mph.
Saturday
A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 6. North northwest wind around 5 mph.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -1.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 13.
Sunday Night
Mostly cloudy, with a low around -4.
Monday
Mostly sunny, with a high near 12.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 19.
Tuesday Night
Mostly cloudy, with a low around 4.
Wednesday
Partly sunny, with a high near 15.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wonder Lake IL
 42.38°N 88.35°W
Last Update:
6:17 am CST Jan 22, 2026
Forecast Valid:
8am CST Jan 22, 2026-6pm CST Jan 28, 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