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Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Light Rain
68°F
20°C
| Humidity | 96% |
| Wind Speed | SW 5 mph |
| Barometer | 29.99 in (1014.5 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 5 Aug 3:51 am CDT |
Extended Forecast for
Zion IL
Overnight
Low: 70 °F
Slight Chance
T-stormsWednesday
High: 75 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 64 °F
Chance
T-storms then
Chance
ShowersThursday
High: 74 °F
Decreasing
CloudsThursday Night
Low: 64 °F
Partly Cloudy
Friday
High: 79 °F
Mostly Sunny
Friday Night
Low: 67 °F
Chance
ShowersSaturday
High: 80 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
then Chance
T-storms
Detailed Forecast
Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Cloudy, with a high near 75. West southwest wind 5 to 10 mph becoming east southeast in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 74. North wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
A chance of showers. Partly cloudy, with a low around 68.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 80.
Monday Night
A chance of showers. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers. Partly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Zion IL
42.45°N 87.81°W
42.45°N 87.81°W
3:25 am CDT Aug 5, 2026
4am CDT Aug 5, 2026-6pm CDT Aug 11, 2026
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