Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
74°F
23°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 29.89 in (1010.7 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 9.00 mi |
| Last update | 16 Jul 1:51 am CDT |
Extended Forecast for
Zion IL
Overnight
Low: 72 °F
Chance
ShowersWednesday
High: 88 °F
Mostly Sunny
then Chance
T-stormsWednesday Night
Low: 66 °F
T-storms
LikelyThursday
High: 69 °F
Mostly Cloudy
Thursday Night
Low: 61 °F
Partly Cloudy
Friday
High: 74 °F
Mostly Sunny
Friday Night
Low: 65 °F
Chance
T-stormsSaturday
High: 80 °F
Chance
T-stormsSaturday Night
Low: 68 °F
Chance
T-storms
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly before 3am. Partly cloudy, with a low around 72. South wind around 5 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Heat index values as high as 96. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers. Mostly cloudy, with a low around 66. Southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy, with a high near 69. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 61. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 74.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Saturday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 77.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Monday Night
Mostly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Zion IL
42.45°N 87.84°W
42.45°N 87.84°W
2:26 am CDT Jul 16, 2025
2am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
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