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

Zion 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 2pm, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 21. Wind chill values as low as zero. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

    High: 21 °F

    Breezy.
    Chance
    Flurries then
    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A chance of flurries before 9pm. Partly cloudy, with a low around -10. Wind chill values as low as -33. Blustery, with a west northwest wind around 20 mph, with gusts as high as 30 mph.

    Low: -10 °F

    Chance
    Flurries and
    Blustery

  • Friday

    Friday: Sunny and cold, with a high near -2. Wind chill values as low as -35. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: -2 °F

    Sunny and
    Blustery then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -7. Wind chill values as low as -25. Northwest wind 10 to 15 mph.

    Low: -7 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy and cold, with a high near 10. Northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 10 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Cloudy, with a low around 4.

    Low: 4 °F

    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 16.

    High: 16 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before midnight. Mostly cloudy, with a low around 0.

    Low: 0 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of flurries between 10am and 2pm, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 21. Wind chill values as low as zero. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Tonight
A chance of flurries before 9pm. Partly cloudy, with a low around -10. Wind chill values as low as -33. Blustery, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Friday
Sunny and cold, with a high near -2. Wind chill values as low as -35. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around -7. Wind chill values as low as -25. Northwest wind 10 to 15 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy and cold, with a high near 10. Northwest wind around 5 mph, with gusts as high as 10 mph.
Saturday Night
A 50 percent chance of snow. Cloudy, with a low around 4.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 16.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 14.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Partly sunny, with a high near 20.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 17.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
Last Update:
6:17 am CST Jan 22, 2026
Forecast Valid:
9am CST Jan 22, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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