Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
33°F
1°C
| Humidity | 75% |
| Wind Speed | W 6 mph |
| Barometer | 30.10 in (1020.4 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 11 Mar 9:51 pm CDT |
Extended Forecast for
Zion IL
Tonight

Low: 29 °F
Mostly Clear
Thursday

High: 44 °F
Sunny
Thursday Night

Low: 37 °F
Showers
Likely and
WindyFriday

High: 45 °F
Mostly Sunny
and Very
WindyFriday Night

Low: 28 °F
Mostly Cloudy
Saturday

High: 38 °F
Mostly Cloudy
Saturday Night
Low: 32 °F
Chance Snow
Showers then
Rain/Snow
LikelySunday

High: 42 °F
Rain/Snow and
BreezySunday Night

Low: 19 °F
Rain/Snow
Likely and
Blustery
Detailed Forecast
Tonight
Mostly clear, with a low around 29. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 44. West wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
Showers likely. Mostly cloudy, with a low around 37. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 45. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly cloudy, with a low around 28. West northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Mostly cloudy, with a high near 38.
Saturday Night
A chance of snow showers before 1am, then rain and snow showers likely. Cloudy, with a low around 32. Chance of precipitation is 70%.
Sunday
Rain and snow showers, becoming all rain after 1pm. Cloudy, with a high near 42. Breezy.
Sunday Night
Rain and snow showers likely before 1am, then a chance of snow showers. Cloudy, with a low around 19. Blustery.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 25. Blustery.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Mostly cloudy, with a high near 38.
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
9:51 pm CDT Mar 11, 2026
10pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026


