Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Rain Fog/Mist
57°F
14°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 29.62 in (1002.8 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 2.50 mi |
| Last update | 17 Jun 9:51 am CDT |
Extended Forecast for
Long Lake IL
Flood Watch June 17, 10:30am until June 17, 09:00pm
NOW until 9:00pm Wed
Flood Watch
Today
High: 66 °F
Showers then
Severe
ThunderstormsTonight
Low: 57 °F
Severe
Thunderstorms
then Partly
CloudyThursday

High: 72 °F
Decreasing
CloudsThursday Night

Low: 53 °F
Mostly Clear
Juneteenth

High: 74 °F
Sunny
Friday Night

Low: 56 °F
Mostly Clear
Saturday

High: 78 °F
Mostly Sunny
Saturday Night
Low: 59 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Today
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe and produce heavy rainfall. High near 66. South southeast wind 10 to 15 mph becoming east in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Some of the storms could be severe. Mostly cloudy, with a low around 57. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 72. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 53. West northwest wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 74. West northwest wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 59.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Long Lake IL
42.38°N 88.14°W
42.38°N 88.14°W
9:21 am CDT Jun 17, 2026
10am CDT Jun 17, 2026-6pm CDT Jun 23, 2026



