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.

Thunderstorm in Vicinity Light Rain

36°F

2°C

Humidity 97%
Wind Speed N 9 mph
Barometer 29.61 in (1003.5 mb)
Dewpoint 35°F (2°C)
Visibility 8.00 mi
Wind Chill29°F (-2°C)
Last update 11 Mar 4:51 am CDT
Extended Forecast for

Chicago / Waukegan, Waukegan Regional Airport IL

  • Overnight

    Overnight: Rain likely. Patchy fog. Otherwise, cloudy, with a low around 35. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 1pm. Patchy fog before 7am. High near 36. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain Likely
    and Patchy
    Fog then
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 45 °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 40 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 45. Windy.

    High: 45 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

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

    High: 38 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am, then rain and snow likely. Cloudy, with a low around 32.

    Low: 32 °F

    Chance Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Rain likely. Patchy fog. Otherwise, cloudy, with a low around 35. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain and snow, becoming all snow after 1pm. Patchy fog before 7am. High near 36. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 45. West wind 5 to 15 mph, with gusts as high as 20 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 40 mph. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 45. Windy.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
A chance of snow 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 32.
Sunday
Rain and snow. Cloudy, with a high near 42.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 17.
Monday
Mostly cloudy, with a high near 27.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago / Waukegan, Waukegan Regional Airport IL
 42.41°N 87.87°W
Last Update:
4:11 am CDT Mar 11, 2026
Forecast Valid:
5am CDT Mar 11, 2026-6pm CDT Mar 17, 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