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Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Overcast
33°F
1°C
| Humidity | 82% |
| Wind Speed | E 10 mph |
| Barometer | 30.11 in (1020.8 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 3 Mar 5:51 am CST |
Extended Forecast for
Zion IL
Today
High: 38 °F
Slight Chance
Rain then
Mostly CloudyTonight

Low: 32 °F
Partly Cloudy
Wednesday
High: 39 °F
Partly Sunny
then Slight
Chance
ShowersWednesday Night
Low: 37 °F
Slight Chance
Showers then
Chance
ShowersThursday

High: 42 °F
Showers
LikelyThursday Night
Low: 38 °F
Slight Chance
Showers then
Mostly CloudyFriday

High: 56 °F
Showers
Friday Night

Low: 51 °F
Showers
Saturday
High: 61 °F
Chance
Showers then
Partly Sunny
Detailed Forecast
Today
A slight chance of rain before 7am, then isolated sprinkles between 7am and 9am. Mostly cloudy, with a high near 38. East southeast wind around 5 mph becoming north northeast in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 32. East northeast wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 39. East wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 37. East northeast wind 5 to 10 mph.
Thursday
Showers likely. Cloudy, with a high near 42. Northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Thursday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 38.
Friday
Showers. High near 56. Chance of precipitation is 80%.
Friday Night
Showers. Mostly cloudy, with a low around 51.
Saturday
A chance of showers before noon. Mostly cloudy, with a high near 61.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 60.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
Zion IL
42.45°N 87.84°W
42.45°N 87.84°W
6:17 am CST Mar 3, 2026
6am CST Mar 3, 2026-6pm CDT Mar 9, 2026


