Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
51°F
11°C
| Humidity | 83% |
| Wind Speed | SW 5 mph |
| Barometer | 29.89 in (1012.3 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 23 Apr 5:51 am CDT |
Extended Forecast for
Long Lake IL
Today

High: 80 °F
Sunny
Tonight
Low: 61 °F
Partly Cloudy
then Showers
LikelyFriday

High: 71 °F
Showers
LikelyFriday Night

Low: 45 °F
Partly Cloudy
Saturday

High: 64 °F
Mostly Sunny
Saturday Night

Low: 44 °F
Mostly Cloudy
Sunday

High: 63 °F
Partly Sunny
Sunday Night
Low: 49 °F
Mostly Cloudy
then Chance
ShowersMonday

High: 66 °F
Showers
Likely
Detailed Forecast
Today
Sunny, with a high near 80. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 61. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 71. South wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Partly cloudy, with a low around 45. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 64. North wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 63.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 49.
Monday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 66.
Monday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 63.
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
4:16 am CDT Apr 23, 2026
6am CDT Apr 23, 2026-6pm CDT Apr 29, 2026



