Hazardous Weather Conditions
Current conditions at
Chicago/Waukegan Regional Airport (KUGN)
Lat: 42.43°NLon: 87.86°WElev: 709ft.
Fair
67°F
19°C
| Humidity | 73% |
| Wind Speed | S 20 G 35 mph |
| Barometer | 29.70 in (1004.8 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 31 Mar 12:51 am CDT |
Extended Forecast for
Mc Cullom Lake IL
Severe T-storm Watch until March 31, 03:00am
NOW until 3:00am Tue

Severe T-storm Watch
Overnight

Low: 61 °F
Severe
ThunderstormsTuesday
High: 72 °F
Breezy.
Chance
T-storms then
T-stormsTuesday Night
Low: 34 °F
T-storms
Likely then
Chance
ShowersWednesday

High: 41 °F
Chance
ShowersWednesday Night

Low: 36 °F
Showers
Thursday

High: 65 °F
Showers and
BreezyThursday Night

Low: 45 °F
Showers
LikelyFriday

High: 62 °F
Partly Sunny
Detailed Forecast
Overnight
A chance of showers and thunderstorms. Some of the storms could be severe. Cloudy, with a low around 61. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. High near 72. Breezy, with a southwest wind 15 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 10pm, then a chance of showers. Mostly cloudy, with a low around 34. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 41. East northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers and possibly a thunderstorm. Low around 36. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm. High near 65. Breezy. Chance of precipitation is 100%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 62.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 42.
Saturday
Showers likely. Mostly cloudy, with a high near 62.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 54.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mc Cullom Lake IL
42.36°N 88.29°W
42.36°N 88.29°W
11:46 pm CDT Mar 30, 2026
1am CDT Mar 31, 2026-6pm CDT Apr 6, 2026



