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
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until March 31, 03:00am

    NOW until 3:00am Tue

    Severe T-storm Watch

  • Overnight

    Low: 61 °F

    Severe
    Thunderstorms

  • Tuesday

    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.

    High: 72 °F

    Breezy.
    Chance
    T-storms then
    T-storms

  • Tuesday Night

    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.

    Low: 34 °F

    T-storms
    Likely then
    Chance
    Showers

  • Wednesday

    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.

    High: 41 °F

    Chance
    Showers

  • Wednesday Night

    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%.

    Low: 36 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 65. Breezy.  Chance of precipitation is 100%.

    High: 65 °F

    Showers and
    Breezy

  • Thursday Night

    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%.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 62.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Cullom Lake IL
 42.36°N 88.29°W
11:46 pm CDT Mar 30, 2026
1am CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
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Additional Resources

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