National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

64°F

18°C

Humidity 93%
Wind Speed S 8 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 24 Jun 7:51 pm CDT
Extended Forecast for

Winthrop Harbor ILSimilar City Names

Severe T-storm Watch June 24, 08:07pm until June 24, 10:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch June 24, 08:07pm until June 24, 10:00pm

    NOW until 10:00pm Wed

    Severe T-storm Watch

  • Tonight

    Low: 59 °F

    Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 71. West wind around 5 mph becoming east in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. Northeast wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 66. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 59. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 71. West wind around 5 mph becoming east in the afternoon.
Thursday Night
Mostly cloudy, with a low around 55. Northeast wind around 5 mph.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 66. Northeast wind around 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 62.
Sunday
Partly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 91.
Tuesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 72.
Wednesday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor ILSimilar City Names
 42.47°N 87.84°W
Last Update:
7:46 pm CDT Jun 24, 2026
Forecast Valid:
8pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
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Additional Resources

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Chance of Precipitation