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.

Light Rain

62°F

17°C

Humidity 96%
Wind Speed NE 3 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 Jun 6:51 pm CDT
Extended Forecast for

Winthrop Harbor ILSimilar City Names

Severe T-storm Watch June 24, 07:06pm until June 24, 10:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch June 24, 07:06pm 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
Scattered showers and thunderstorms before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 59. South southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 40%.
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:
5:07 pm CDT Jun 24, 2026
Forecast Valid:
7pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation