News Headlines
- March 13, 2026: Damaging Non-Thunderstorm Winds With 60+ MPH Gusts
- March 10, 2026: Strong Tornadoes in the Kankakee River Valley and Giant Hail
- Spring Seminars and Virtual Spotter Training Schedule - Oglesby, IL Seminar Rescheduled!
- Spring Flood Outlook: Below average to near average flood risk for area river basins
Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
A Few Clouds
16°F
-9°C
| Humidity | 59% |
| Wind Speed | NW 6 mph |
| Barometer | 29.94 in (1015.6 mb) |
| Dewpoint | 4°F (-16°C) |
| Visibility | 10.00 mi |
| Wind Chill | 7°F (-14°C) |
| Last update | 17 Mar 12:51 am CDT |
Extended Forecast for
Zion IL
Overnight
Low: 12 °F
Scattered
FlurriesTuesday
High: 22 °F
Increasing
CloudsTuesday Night
Low: 22 °F⇑
Chance Snow
then SnowWednesday
High: 39 °F
Slight Chance
Snow then
Partly SunnyWednesday Night
Low: 35 °F
Mostly Cloudy
then Slight
Chance RainThursday
High: 45 °F
Slight Chance
RainThursday Night
Low: 35 °F
Mostly Cloudy
Friday
High: 50 °F
Mostly Cloudy
Friday Night
Low: 37 °F
Mostly Cloudy
Detailed Forecast
Overnight
Scattered flurries before 2am. Partly cloudy, with a low around 12. Wind chill values as low as -3. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 22. Wind chill values as low as -5. Northwest wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Snow, mainly after 1am. Temperature rising to around 26 by 5am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday
A 20 percent chance of snow before 10am. Mostly cloudy, with a high near 39. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 35. Southwest wind around 5 mph.
Thursday
A 20 percent chance of rain before 1pm. Partly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 52.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 39.
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
11:41 pm CDT Mar 16, 2026
1am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
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