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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Light Rain Fog/Mist

36°F

2°C

Humidity 97%
Wind Speed N 9 G 17 mph
Barometer 29.62 in (1004.0 mb)
Dewpoint 35°F (2°C)
Visibility 6.00 mi
Wind Chill29°F (-2°C)
Last update 11 Mar 5:51 am CDT
Extended Forecast for

Zion IL

  • Today

    Today: Rain and snow likely before 1pm, then snow. Patchy fog before 7am. High near 36. Breezy, with a north northwest wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 36 °F

    Rain Likely
    and Patchy
    Fog then
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: A slight chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 10%.

    Low: 29 °F

    Slight Chance
    Rain/Snow and
    Blustery then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 44. West wind 5 to 15 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Cloudy, with a low around 37. 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 70%.

    Low: 37 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 45. Very windy, with a west wind 25 to 35 mph, with gusts as high as 45 mph.

    High: 45 °F

    Mostly Sunny
    and Very
    Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 1pm. Cloudy, with a high near 38.

    High: 38 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 33.

    Low: 33 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow. Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

Detailed Forecast

Today
Rain and snow likely before 1pm, then snow. Patchy fog before 7am. High near 36. Breezy, with a north northwest wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
A slight chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 44. West wind 5 to 15 mph.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 37. 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 70%.
Friday
Mostly sunny, with a high near 45. Very windy, with a west wind 25 to 35 mph, with gusts as high as 45 mph.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
A 30 percent chance of snow, mainly after 1pm. Cloudy, with a high near 38.
Saturday Night
A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 33.
Sunday
Rain and snow. Cloudy, with a high near 41.
Sunday Night
Rain and snow likely before 1am, then a chance of snow. Mostly cloudy, with a low around 18.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Zion IL
 42.45°N 87.81°W
Last Update:
4:11 am CDT Mar 11, 2026
Forecast Valid:
6am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation