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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

70°F

21°C

Humidity 79%
Wind Speed S 13 mph
Barometer 29.70 in (1005.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 7:51 pm CDT
Extended Forecast for

Lake Bluff IL

Flood Watch April 15, 08:42pm until April 16, 01:00am
Severe T-storm Watch until April 16, 12:00am
Click here for hazard details and duration
Flood Watch
Severe T-storm Watch
  •  
    Flood Watch April 15, 08:42pm until April 16, 01:00am
    Severe T-storm Watch until April 16, 12:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 56 °F

    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 66. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. East northeast wind around 5 mph becoming southeast after midnight.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 46. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 55.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 1am. Low around 56. South southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 66. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 47. East northeast wind around 5 mph becoming southeast after midnight.
Friday
Partly sunny, with a high near 72. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 46. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 50.
Sunday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 34.
Monday
Patchy frost before 7am. Otherwise, sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Bluff IL
 42.28°N 87.88°W
Last Update:
7:56 pm CDT Apr 15, 2026
Forecast Valid:
8pm CDT Apr 15, 2026-6pm CDT Apr 22, 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