Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
62°F
17°C
| Humidity | 73% |
| Wind Speed | SE 10 mph |
| Barometer | 29.86 in (1011.1 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 17 Apr 11:51 am CDT |
Extended Forecast for
Zion IL
Flood Watch April 17, 03:00pm until April 18, 05:00am
This Afternoon

High: 67 °F
Mostly Sunny
and BreezyTonight
Low: 43 °F
T-storms and
Breezy then
Showers
LikelySaturday
High: 48 °F
Slight Chance
Showers then
SunnySaturday Night

Low: 35 °F
Mostly Clear
Sunday

High: 48 °F
Mostly Sunny
Sunday Night

Low: 34 °F
Partly Cloudy
then Patchy
FrostMonday

High: 50 °F
Areas Frost
then SunnyMonday Night

Low: 42 °F
Mostly Cloudy
Tuesday

High: 69 °F
Partly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 67. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms before 3am, then a chance of showers. Low around 43. Breezy, with a south wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 10 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 48. West northwest wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 35. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 48. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 34.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 62.
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
11:01 am CDT Apr 17, 2026
12pm CDT Apr 17, 2026-6pm CDT Apr 23, 2026



