Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
A Few Clouds
27°F
-3°C
| Humidity | 89% |
| Wind Speed | Calm |
| Barometer | 30.53 in (1035.4 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 27 Mar 10:51 pm CDT |
Extended Forecast for
Zion IL
Tonight

Low: 25 °F
Mostly Clear
Saturday

High: 47 °F
Sunny
Saturday Night

Low: 40 °F
Mostly Cloudy
Sunday

High: 60 °F
Partly Sunny
Sunday Night

Low: 44 °F
Partly Cloudy
Monday

High: 62 °F
Mostly Sunny
Monday Night

Low: 57 °F
Chance
T-stormsTuesday

High: 71 °F
Showers
LikelyTuesday Night

Low: 35 °F
Showers
Likely
Detailed Forecast
Tonight
Mostly clear, with a low around 25. North wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 47. North wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 40. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 60. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 44. South southwest wind around 5 mph, with gusts as high as 10 mph.
Monday
Mostly sunny, with a high near 62.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
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 41.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 47.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Zion IL
42.45°N 87.81°W
42.45°N 87.81°W
8:41 pm CDT Mar 27, 2026
11pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026


