Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
41°F
5°C
| Humidity | 60% |
| Wind Speed | SW 10 mph |
| Barometer | 30.27 in (1025.9 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 29 Mar 1:51 am CDT |
Extended Forecast for
Zion IL
Overnight

Low: 38 °F
Mostly Cloudy
Sunday

High: 59 °F
Partly Sunny
Sunday Night

Low: 47 °F
Mostly Clear
Monday

High: 69 °F
Mostly Sunny
Monday Night
Low: 52 °F
Chance
Showers then
Chance
T-stormsTuesday

High: 69 °F
Showers
Likely and
BreezyTuesday Night

Low: 35 °F
Showers
LikelyWednesday

High: 38 °F
Mostly Cloudy
Wednesday Night
Low: 32 °F
Chance
Showers then
Chance
Rain/Snow
Detailed Forecast
Overnight
Mostly cloudy, with a low around 38. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 59. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 47. South wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 69. South southwest wind 10 to 15 mph.
Monday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 52. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 69. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 35. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 38.
Wednesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 32.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 42.
Thursday Night
Showers likely. Cloudy, with a low around 36.
Friday
Mostly cloudy, with a high near 49.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40.
Saturday
Showers likely. Mostly cloudy, with a high near 56.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Zion IL
42.45°N 87.81°W
42.45°N 87.81°W
1:21 am CDT Mar 29, 2026
2am CDT Mar 29, 2026-6pm CDT Apr 4, 2026


