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.

Fair

-11°F

-24°C

Humidity 49%
Wind Speed NW 6 mph
Barometer 30.73 in (1044.7 mb)
Dewpoint -25°F (-32°C)
Visibility 10.00 mi
Wind Chill-25°F (-32°C)
Last update 24 Jan 12:51 am CST
Extended Forecast for

Zion IL

Cold Weather Advisory January 24, 01:40am until January 24, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 24, 01:40am until January 24, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Overnight

    Low: -11 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 5pm. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -27. Northwest wind 5 to 10 mph.

    High: 9 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 4. Wind chill values as low as -5. North northwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 4 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: Snow likely, mainly before noon. Cloudy, with a high near 18. Wind chill values as low as -4. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 18 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 0. North northwest wind around 15 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around -11. Wind chill values as low as -28. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow after 5pm. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -27. Northwest wind 5 to 10 mph.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a low around 4. Wind chill values as low as -5. North northwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Snow likely, mainly before noon. Cloudy, with a high near 18. Wind chill values as low as -4. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 0. North northwest wind around 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and cold, with a high near 9.
Monday Night
Mostly cloudy, with a low around 4.
Tuesday
Partly sunny, with a high near 17.
Tuesday Night
Partly cloudy, with a low around 2.
Wednesday
Partly sunny, with a high near 13.
Wednesday Night
Mostly cloudy, with a low around 2.
Thursday
Mostly sunny, with a high near 14.
Thursday Night
Partly cloudy, with a low around 5.
Friday
Mostly sunny, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
Last Update:
11:36 pm CST Jan 23, 2026
Forecast Valid:
1am CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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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