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

33°F

1°C

Humidity 92%
Wind Speed N 13 G 26 mph
Barometer 29.41 in (996.7 mb)
Dewpoint 31°F (-1°C)
Visibility 2.00 mi
Wind Chill24°F (-4°C)
Last update 10 Dec 7:51 am CST
Extended Forecast for

Zion IL

  • Today

    Today: Snow showers, possibly mixed with rain, becoming all snow after 9am. Temperature falling to around 26 by 5pm. Breezy, with a north northwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 35 °F⇓

    Breezy.
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Tonight

    Tonight: A 20 percent chance of snow showers before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 12. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 24. Wind chill values as low as 1. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 24 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18. West southwest wind around 5 mph becoming north northwest after midnight.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 29. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 29 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 12.

    High: 12 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Mostly cloudy, with a low around 1.

    Low: 1 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 11.

    High: 11 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers, possibly mixed with rain, becoming all snow after 9am. Temperature falling to around 26 by 5pm. Breezy, with a north northwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
A 20 percent chance of snow showers before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 12. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 24. Wind chill values as low as 1. West wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. West southwest wind around 5 mph becoming north northwest after midnight.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 29. West wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 7.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 12.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 11.
Sunday Night
Mostly cloudy, with a low around 5.
Monday
Partly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
Last Update:
6:36 am CST Dec 10, 2025
Forecast Valid:
8am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation