National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Light Snow Fog/Mist

26°F

-3°C

Humidity 92%
Wind Speed NW 12 G 24 mph
Barometer 29.30 in (993.4 mb)
Dewpoint 24°F (-4°C)
Visibility 1.00 mi
Wind Chill15°F (-9°C)
Last update 16 Mar 3:51 am CDT
Extended Forecast for

Zion IL

Winter Weather Advisory March 16, 04:37am until March 16, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 16, 04:37am until March 16, 01:00pm

    NOW until 1:00pm Mon

    Winter Weather Advisory

  • Overnight

    Low: 22 °F

    Snow and
    Areas Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 1pm. Widespread blowing snow, mainly before 7am. High near 24. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Snow and
    Blowing Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before 1am. Patchy blowing snow before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as -4. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 11 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 24. Wind chill values as low as -6. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 24 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Cloudy, with a low around 20. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 20 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. Areas of blowing snow. Low around 22. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
Snow, mainly before 1pm. Widespread blowing snow, mainly before 7am. High near 24. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 20 percent chance of snow before 1am. Patchy blowing snow before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as -4. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Tuesday
Mostly sunny, with a high near 24. Wind chill values as low as -6. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Snow likely, mainly after 1am. Cloudy, with a low around 20. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
Last Update:
4:01 am CDT Mar 16, 2026
Forecast Valid:
4am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation