News Headlines
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Partly Cloudy
77°F
25°C
| Humidity | 56% |
| Wind Speed | E 7 mph |
| Barometer | 30.01 in (1015.6 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 2 Sep 3:51 pm CDT |
Extended Forecast for
Zion IL
Tonight
Low: 62 °F
Partly Cloudy
Wednesday
High: 72 °F
Chance
Showers then
ShowersWednesday Night
Low: 48 °F
Chance
Showers then
Partly CloudyThursday
High: 66 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Slight Chance
Showers then
Chance
Showers and
BreezyFriday
High: 64 °F
Mostly Sunny
and BreezyFriday Night
Low: 50 °F
Partly Cloudy
Saturday
High: 66 °F
Mostly Sunny
Saturday Night
Low: 51 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 62. Southeast wind 5 to 10 mph becoming southwest after midnight.
Wednesday
A chance of showers and thunderstorms before noon, then periods of showers and possibly a thunderstorm between noon and 5pm, then a chance of showers after 5pm. High near 72. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 66. Northwest wind around 10 mph, with gusts as high as 15 mph.
Thursday Night
A 50 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56. Breezy, with a south southwest wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 30 mph.
Friday
Mostly sunny, with a high near 64. Breezy.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly cloudy, with a high near 69.
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
4:11 pm CDT Sep 2, 2025
4pm CDT Sep 2, 2025-6pm CDT Sep 9, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
