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.

Fair

28°F

-2°C

Humidity 75%
Wind Speed W 6 mph
Barometer 30.12 in (1021.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 12 Mar 4:51 am CDT
Extended Forecast for

Zion IL

High Wind Watch March 13, 04:00am until March 13, 04:00pm
Click here for hazard details and duration
High Wind Watch

  • Today

    Today: Increasing clouds, with a high near 44. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly between 1am and 5am. Mostly cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Mostly cloudy, with a high near 44. Very windy, with a west wind 25 to 35 mph, with gusts as high as 60 mph.

    High: 44 °F

    Mostly Cloudy
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. Blustery, with a west northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 1pm. Cloudy, with a high near 39. North northwest wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.

    High: 39 °F

    Cloudy then
    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Rain and snow showers, mainly after 1am. Low around 34. Chance of precipitation is 80%.

    Low: 34 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday

    Sunday: Rain and snow showers, becoming all rain after 1pm. High near 46. Chance of precipitation is 100%.

    High: 46 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 1am. Cloudy, with a low around 19. Blustery.

    Low: 19 °F

    Rain/Snow and
    Blustery

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 24. Blustery.

    High: 24 °F

    Chance Snow
    and Blustery

Detailed Forecast

Today
Increasing clouds, with a high near 44. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Showers likely, mainly between 1am and 5am. Mostly cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, with a high near 44. Very windy, with a west wind 25 to 35 mph, with gusts as high as 60 mph.
Friday Night
Mostly cloudy, with a low around 30. Blustery, with a west northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Saturday
A 20 percent chance of snow showers after 1pm. Cloudy, with a high near 39. North northwest wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.
Saturday Night
Rain and snow showers, mainly after 1am. Low around 34. Chance of precipitation is 80%.
Sunday
Rain and snow showers, becoming all rain after 1pm. High near 46. Chance of precipitation is 100%.
Sunday Night
Rain and snow, becoming all snow after 1am. Cloudy, with a low around 19. Blustery.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 24. Blustery.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
Last Update:
3:11 am CDT Mar 12, 2026
Forecast Valid:
4am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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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