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 Snow Fog/Mist

25°F

-4°C

Humidity 96%
Wind Speed W 6 mph
Barometer 29.88 in (1013.3 mb)
Dewpoint 24°F (-4°C)
Visibility 0.75 mi
Wind Chill18°F (-8°C)
Last update 21 Jan 7:51 pm CST
Extended Forecast for

Third Lake IL

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

  • Tonight

    Tonight: Snow, mainly before 10pm. Patchy blowing snow between 9pm and 11pm. Low around 10. Wind chill values as low as -3. Southwest wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 35 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 10 °F

    Snow and
    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 21. Wind chill values as low as -4. Breezy, with a west wind 10 to 20 mph, with gusts as high as 35 mph.

    High: 21 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -11. Wind chill values as low as -33. West northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: -11 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers before noon. Sunny and cold, with a high near -4. Wind chill values as low as -34. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -4 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around -11. Northwest wind 5 to 10 mph.

    Low: -11 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 8.

    High: 8 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 16.

    High: 16 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly before 10pm. Patchy blowing snow between 9pm and 11pm. Low around 10. Wind chill values as low as -3. Southwest wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 35 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Thursday
A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 21. Wind chill values as low as -4. Breezy, with a west wind 10 to 20 mph, with gusts as high as 35 mph.
Thursday Night
Partly cloudy, with a low around -11. Wind chill values as low as -33. West northwest wind around 15 mph, with gusts as high as 30 mph.
Friday
A 20 percent chance of snow showers before noon. Sunny and cold, with a high near -4. Wind chill values as low as -34. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around -11. Northwest wind 5 to 10 mph.
Saturday
A 40 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 8.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 2.
Sunday
A chance of snow. Mostly cloudy, with a high near 16.
Sunday Night
Mostly cloudy, with a low around -1.
Monday
Mostly sunny and cold, with a high near 10.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Mostly sunny, with a high near 19.
Tuesday Night
Mostly cloudy, with a low around 6.
Wednesday
Partly sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Third Lake IL
 42.37°N 87.99°W
Last Update:
6:46 pm CST Jan 21, 2026
Forecast Valid:
7pm CST Jan 21, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
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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