Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Light Rain Fog

40°F

4°C

Humidity 100%
Wind Speed E 8 mph
Barometer 29.79 in (1009.5 mb)
Dewpoint 40°F (4°C)
Visibility 0.50 mi
Wind Chill35°F (2°C)
Last update 2 Apr 11:51 am CDT
Extended Forecast for

Long Lake IL

Wind Advisory April 2, 01:00pm until April 2, 07:00pm
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm.  High near 65. Breezy, with an east southeast wind 10 to 15 mph becoming south 20 to 25 mph. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm.  Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers
    Likely and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54. West wind 5 to 10 mph becoming east in the afternoon.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 39. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%.

    Low: 39 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers, mainly before 1pm.  Mostly cloudy, with a high near 60. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. High near 65. Breezy, with an east southeast wind 10 to 15 mph becoming south 20 to 25 mph. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 54. West wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Showers and possibly a thunderstorm. Low around 39. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 60. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 33.
Monday
Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Long Lake IL
 42.38°N 88.14°W
12:16 pm CDT Apr 2, 2026
12pm CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
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