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

45°F

7°C

Humidity 44%
Wind Speed W 6 mph
Barometer 30.22 in (1023.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 3 Nov 10:51 pm CST
Extended Forecast for

Winthrop Harbor IL

  • Tonight

    Tonight: Increasing clouds, with a low around 40. West wind around 10 mph, with gusts as high as 15 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. West southwest wind around 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 30 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Northwest wind 5 to 10 mph becoming light west northwest after midnight.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain, mainly after midnight. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Chance Rain
    then Rain

  • Friday

    Friday: A chance of rain. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 40. West wind around 10 mph, with gusts as high as 15 mph.
Tuesday
Partly sunny, with a high near 60. West southwest wind around 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 50. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 37. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Thursday
Partly sunny, with a high near 55.
Thursday Night
Rain, mainly after midnight. Low around 48. Chance of precipitation is 80%.
Friday
A chance of rain. Partly sunny, with a high near 57.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
A chance of rain after noon. Partly sunny, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 37.
Sunday
A chance of rain. Partly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.47°N 87.84°W
Last Update:
7:51 pm CST Nov 3, 2025
Forecast Valid:
11pm CST Nov 3, 2025-6pm CST Nov 10, 2025
 
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