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

19°F

-7°C

Humidity 77%
Wind Speed W 5 mph
Barometer 30.17 in (1023.4 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 2 Feb 10:51 pm CST
Extended Forecast for

Zion IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Northwest wind 5 to 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. North wind around 10 mph, with gusts as high as 15 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 10. Wind chill values as low as 1. North northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 10 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Wind chill values as low as 1. Northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. West wind around 5 mph, with gusts as high as 10 mph.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. Northwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 23. North wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 10. Wind chill values as low as 1. North northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Mostly sunny, with a high near 25. Wind chill values as low as 1. Northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 13. West wind around 5 mph, with gusts as high as 10 mph.
Thursday
Mostly cloudy, with a high near 31.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
Last Update:
9:36 pm CST Feb 2, 2026
Forecast Valid:
11pm CST Feb 2, 2026-6pm CST Feb 9, 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