Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Mostly Cloudy
66°F
19°C
| Humidity | 90% |
| Wind Speed | SW 12 G 22 mph |
| Barometer | 29.88 in (1011.0 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 13 Apr 7:51 am CDT |
Extended Forecast for
Zion IL
Today
High: 74 °F
Mostly Cloudy
then Chance
T-stormsTonight

Low: 58 °F
Chance
T-stormsTuesday
High: 78 °F
Partly Sunny
then Chance
T-stormsTuesday Night

Low: 52 °F
T-storms
Wednesday
High: 62 °F
Showers
Likely then
T-stormsWednesday Night
Low: 53 °F
T-storms then
ShowersThursday
High: 70 °F
Chance
Showers then
Chance
T-stormsThursday Night

Low: 47 °F
Partly Cloudy
Friday

High: 65 °F
Partly Sunny
Detailed Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 74. West southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 58. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 78. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Low around 52. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 62. West wind 10 to 15 mph becoming south in the morning. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 65.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 50.
Saturday
A chance of showers. Partly sunny, with a high near 63.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 52.
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
5:46 am CDT Apr 13, 2026
8am CDT Apr 13, 2026-6pm CDT Apr 19, 2026



