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

35°F

2°C

Humidity 78%
Wind Speed W 13 G 25 mph
Barometer 29.71 in (1007.3 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 31 Dec 1:51 pm CST
Extended Forecast for

Zion IL

  • This Afternoon

    This Afternoon: Snow. High near 35. Breezy, with a west wind 15 to 20 mph becoming north northwest. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

    High: 35 °F

    Snow and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values as low as -3. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 10 °F

    Chance Snow
    and Blustery
    then Mostly
    Clear

  • New Year's Day

    New Year's Day: A 40 percent chance of snow, mainly after 3pm. Mostly cloudy, with a high near 20. Wind chill values as low as -3. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 20 °F

    Partly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. West wind around 5 mph, with gusts as high as 10 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 25. West northwest wind 5 to 10 mph.

    High: 25 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow. High near 35. Breezy, with a west wind 15 to 20 mph becoming north northwest. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
Tonight
A 40 percent chance of snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 10. Wind chill values as low as -3. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.
New Year's Day
A 40 percent chance of snow, mainly after 3pm. Mostly cloudy, with a high near 20. Wind chill values as low as -3. West northwest wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 15. West wind around 5 mph, with gusts as high as 10 mph.
Friday
Sunny, with a high near 25. West northwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 29.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
Last Update:
1:51 pm CST Dec 31, 2025
Forecast Valid:
2pm CST Dec 31, 2025-6pm CST Jan 6, 2026
 
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Additional Resources

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