Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
34°F
1°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 29.98 in (1016.0 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 19 Mar 10:51 pm CDT |
Extended Forecast for
Zion IL
Tonight
Low: 37 °F⇑
Mostly Cloudy
Friday
High: 53 °F
Partly Sunny
Friday Night
Low: 37 °F
Mostly Cloudy
Saturday
High: 58 °F
Mostly Sunny
Saturday Night
Low: 45 °F
Partly Cloudy
Sunday
High: 55 °F
Slight Chance
ShowersSunday Night
Low: 31 °F
Mostly Cloudy
Monday
High: 39 °F
Mostly Sunny
Monday Night
Low: 32 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a temperature rising to around 44 by 5am. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 53. West southwest wind 10 to 15 mph becoming north in the afternoon.
Friday Night
Mostly cloudy, with a low around 37. North wind 5 to 10 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 58. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 45. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
A chance of showers. Partly sunny, with a high near 54.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Zion IL
42.45°N 87.81°W
42.45°N 87.81°W
9:11 pm CDT Mar 19, 2026
11pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
