Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Partly Cloudy and Windy
78°F
26°C
| Humidity | 48% |
| Wind Speed | SW 26 G 38 mph |
| Barometer | 29.82 in (1009.3 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 12 Apr 2:51 pm CDT |
Extended Forecast for
Zion IL
This Afternoon

High: 73 °F
Chance
Showers and
BreezyTonight

Low: 58 °F
Showers and
BreezyMonday

High: 70 °F
Partly Sunny
Monday Night

Low: 60 °F
Chance
T-stormsTuesday
High: 72 °F
Partly Sunny
then Chance
T-stormsTuesday Night

Low: 52 °F
T-storms
Wednesday

High: 61 °F
T-storms
Wednesday Night

Low: 52 °F
Showers
LikelyThursday

High: 67 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 73. Breezy, with a south southwest wind around 25 mph, with gusts as high as 40 mph.
Tonight
Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 1am. Low around 58. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 70. West southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 60. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. Southwest wind around 15 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms. Low around 52. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms. High near 61. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 52.
Thursday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 50.
Friday
Partly sunny, with a high near 71.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 50.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 61.
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
2:41 pm CDT Apr 12, 2026
3pm CDT Apr 12, 2026-6pm CDT Apr 18, 2026



