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.

Overcast

25°F

-4°C

Humidity 66%
Wind Speed S 13 mph
Barometer 30.09 in (1021.1 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 1 Feb 7:51 pm CST
Extended Forecast for

Zion IL

  • Tonight

    Tonight: Snow likely, possibly mixed with freezing rain before 3am, then a chance of snow. Cloudy, with a low around 20. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Likely
    then Wintry
    Mix Likely

  • Monday

    Monday: Mostly cloudy, with a high near 27. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 27 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. West northwest wind around 5 mph.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. North wind around 5 mph, with gusts as high as 10 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 9. North northwest wind around 5 mph.

    Low: 9 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow before midnight. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Snow likely, possibly mixed with freezing rain before 3am, then a chance of snow. Cloudy, with a low around 20. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 27. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 14. West northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 23. North wind around 5 mph, with gusts as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 9. North northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 32.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.84°W
Last Update:
8:01 pm CST Feb 1, 2026
Forecast Valid:
8pm CST Feb 1, 2026-6pm CST Feb 8, 2026
 
Forecast Discussion
 
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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