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.

Light Rain Fog/Mist

58°F

14°C

Humidity 100%
Wind Speed Vrbl 7 mph
Barometer 29.72 in (1005.5 mb)
Dewpoint 58°F (14°C)
Visibility 5.00 mi
Last update 14 Apr 11:51 pm CDT
Extended Forecast for

Lake Bluff IL

Flood Watch until April 15, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until April 15, 06:00am

    NOW until 6:00am Wed

    Flood Watch

  • Overnight

    Low: 65 °F

    Heavy Rain

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm after 4pm. High near 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 56. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 48. North wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 10%.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a steady temperature around 65. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm after 4pm. High near 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 56. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 48. North wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 10%.
Friday
Partly sunny, with a high near 68.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. Chance of precipitation is 80%.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 65.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Bluff IL
 42.28°N 87.88°W
Last Update:
11:00 pm CDT Apr 14, 2026
Forecast Valid:
12am CDT Apr 15, 2026-6pm CDT Apr 21, 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