National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

52°F

11°C

Humidity 86%
Wind Speed SW 12 mph
Barometer 29.67 in (1004.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 4 Nov 10:51 pm CST
Extended Forecast for

Zion IL

  • Tonight

    Tonight: Areas of drizzle. Cloudy, with a steady temperature around 51. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Areas Drizzle

  • Thursday

    Thursday: Showers likely, mainly after 5pm. Cloudy, with a high near 52. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before 7pm. Cloudy, with a low around 37. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. North northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of drizzle. Cloudy, with a steady temperature around 51. Southwest wind around 15 mph, with gusts as high as 30 mph.
Thursday
Showers likely, mainly after 5pm. Cloudy, with a high near 52. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 50 percent chance of showers, mainly before 7pm. Cloudy, with a low around 37. North wind around 15 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 49. North northwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 34. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 40.
Veterans Day
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.84°W
Last Update:
8:16 pm CST Nov 4, 2026
Forecast Valid:
11pm CST Nov 4, 2026-6pm CST Nov 11, 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