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 | 84% |
| Wind Speed | SW 14 G 25 mph |
| Barometer | 29.79 in (1008.2 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 11:51 am CDT |
Extended Forecast for
Zion IL
Flood Watch April 15, 11:59am until April 16, 01:00am
NOW until 1:00am Thu
Flood Watch
Today
High: 70 °F
Chance
T-stormsTonight
Low: 50 °F
T-storms
Thursday
High: 65 °F
Showers
LikelyThursday Night
Low: 46 °F
Slight Chance
T-storms then
Mostly CloudyFriday
High: 62 °F
Mostly Cloudy
Friday Night
Low: 48 °F
Showers
Saturday
High: 61 °F
Chance
ShowersSaturday Night
Low: 35 °F
Partly Cloudy
Detailed Forecast
Today
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 70. South southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Low around 50. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy, with a high near 65. West southwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 46. North northeast wind around 5 mph becoming south after midnight. Chance of precipitation is 10%.
Friday
Mostly cloudy, with a high near 62. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 48. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 61. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 68.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Zion IL
42.45°N 87.81°W
42.45°N 87.81°W
11:36 am CDT Apr 15, 2026
11am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
