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.

Partly Cloudy

31°F

-1°C

Humidity 67%
Wind Speed NW 10 mph
Barometer 30.26 in (1026.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 30 Nov 2:51 pm CST
Extended Forecast for

Winthrop Harbor IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 32. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 32 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 14 °F

    Partly Cloudy

  • Monday

    Monday: Snow, mainly after 3pm. High near 29. West northwest wind around 5 mph becoming south southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Mostly Cloudy
    then Snow

  • Monday Night

    Monday Night: Snow, mainly before midnight. Low around 19. South southwest wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 19 °F

    Snow then
    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 26. West southwest wind 5 to 10 mph.

    High: 26 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after noon. Cloudy, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before midnight. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 16.

    High: 16 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 32. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 14. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Snow, mainly after 3pm. High near 29. West northwest wind around 5 mph becoming south southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday Night
Snow, mainly before midnight. Low around 19. South southwest wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Tuesday
Partly sunny, with a high near 26. West southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
A 50 percent chance of snow, mainly after noon. Cloudy, with a high near 34.
Wednesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 7.
Thursday
Sunny, with a high near 16.
Thursday Night
Partly cloudy, with a low around 5.
Friday
A chance of snow. Mostly cloudy, with a high near 25.
Friday Night
A chance of snow. Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.47°N 87.81°W
Last Update:
3:11 pm CST Nov 30, 2025
Forecast Valid:
3pm CST Nov 30, 2025-6pm CST Dec 6, 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