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.

Overcast

46°F

8°C

Humidity 73%
Wind Speed N 7 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 26 Apr 3:51 am CDT
Extended Forecast for

Waukegan IL

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 50. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, mostly clear, with a low around 37. North northeast wind 5 to 10 mph.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Mostly sunny, with a high near 55. East northeast wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 15 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 48. South southeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 74. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 74 °F

    Slight Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers after 1pm. Mostly sunny, with a high near 72. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 50. North northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Patchy frost after 3am. Otherwise, mostly clear, with a low around 37. North northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 55. East northeast wind 5 to 10 mph becoming southeast in the morning. Winds could gust as high as 15 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 48. South southeast wind around 10 mph, with gusts as high as 15 mph.
Monday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 74. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Tuesday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers after 1pm. Mostly sunny, with a high near 72. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 43.
Thursday
Showers likely. Mostly cloudy, with a high near 56.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
A chance of showers. Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waukegan IL
 42.37°N 87.88°W
Last Update:
3:26 am CDT Apr 26, 2025
Forecast Valid:
4am CDT Apr 26, 2025-6pm CDT May 2, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation