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.

Mostly Cloudy

37°F

3°C

Humidity 93%
Wind Speed NE 10 G 23 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 31 Mar 11:51 pm CDT
Extended Forecast for

Chicago / Waukegan, Waukegan Regional Airport IL

  • Overnight

    Overnight: Cloudy, with a low around 34. North northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 41. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 37. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 69. Breezy, with an east southeast wind 15 to 25 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.

    High: 69 °F

    Breezy.
    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 44 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 1am. Mostly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Cloudy, with a low around 34. North northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 41. Northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 37. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 69. Breezy, with an east southeast wind 15 to 25 mph becoming south in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.
Thursday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 55.
Friday Night
Showers and possibly a thunderstorm. Low around 43. Chance of precipitation is 80%.
Saturday
A chance of showers. Mostly cloudy, with a high near 58.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 32. Breezy.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 31.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago / Waukegan, Waukegan Regional Airport IL
 42.41°N 87.87°W
Last Update:
9:06 pm CDT Mar 31, 2026
Forecast Valid:
12am CDT Apr 1, 2026-6pm CDT Apr 7, 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