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Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fog
39°F
4°C
| Humidity | 100% |
| Wind Speed | N 6 mph |
| Barometer | 29.98 in (1015.9 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 0.15 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 5 Mar 7:51 am CST |
Extended Forecast for
Zion IL
Dense Fog Advisory March 5, 08:53am until March 5, 03:00pm
NOW until 3:00pm Thu
Dense Fog Advisory
Today
High: 38 °F
Patchy
Drizzle and
Dense FogTonight
Low: 37 °F
Fog
Friday
High: 61 °F
Showers and
Fog then
Slight Chance
T-storms and
Areas FogFriday Night
Low: 54 °F
Chance
T-storms then
Showers and
BreezySaturday
High: 58 °F
Breezy.
Chance
Showers then
Mostly SunnySaturday Night
Low: 37 °F
Mostly Clear
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 46 °F
Mostly Clear
Detailed Forecast
Today
Patchy drizzle before 2pm. Widespread dense fog. Otherwise, cloudy, with a high near 38. North northeast wind around 10 mph.
Tonight
Widespread fog. Otherwise, cloudy, with a low around 37. North northeast wind 5 to 10 mph becoming southeast after midnight.
Friday
A slight chance of showers before 9am, then showers and possibly a thunderstorm between 9am and noon, then a slight chance of showers and thunderstorms after noon. Widespread fog, mainly before noon. High near 61. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 54. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers before 9am. Partly sunny, with a high near 58. Breezy, with a southwest wind 10 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 42. Breezy.
Tuesday
Showers likely. Partly sunny, with a high near 57.
Tuesday Night
Showers. Cloudy, with a low around 40. Breezy.
Wednesday
Rain likely. Mostly cloudy, with a high near 48. Breezy.
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
5:21 am CST Mar 5, 2026
8am CST Mar 5, 2026-6pm CDT Mar 11, 2026
Additional Resources
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Hourly Weather Forecast
