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.

Overcast

20°F

-7°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 30.07 in (1020.5 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 5 Feb 6:51 am CST
Extended Forecast for

Winthrop Harbor IL

  • Today

    Today: Scattered snow showers between 9am and 3pm. Cloudy, with a high near 30. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 30 °F

    Scattered
    Snow Showers

  • Tonight

    Tonight: Snow showers likely, possibly mixed with freezing rain and sleet after 3am, becoming all snow after 5am. Mostly cloudy, with a low around 29. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

    Low: 29 °F

    Cloudy then
    Wintry Mix
    Likely

  • Friday

    Friday: A chance of snow showers, freezing rain, and sleet before 9am, then scattered snow showers after noon. Mostly cloudy, with a high near 36. Breezy, with a north northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 50%.

    High: 36 °F

    Breezy.
    Chance Wintry
    Mix then
    Scattered
    Snow Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 9. Wind chill values as low as -5. Blustery, with a north wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.

    Low: 9 °F

    Mostly Clear
    and Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 22. North northwest wind 5 to 10 mph becoming light and variable.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
Scattered snow showers between 9am and 3pm. Cloudy, with a high near 30. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tonight
Snow showers likely, possibly mixed with freezing rain and sleet after 3am, becoming all snow after 5am. Mostly cloudy, with a low around 29. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Friday
A chance of snow showers, freezing rain, and sleet before 9am, then scattered snow showers after noon. Mostly cloudy, with a high near 36. Breezy, with a north northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 9. Wind chill values as low as -5. Blustery, with a north wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
Saturday
Mostly sunny, with a high near 22. North northwest wind 5 to 10 mph becoming light and variable.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Sunday
Mostly cloudy, with a high near 31.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Partly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A chance of rain. Mostly cloudy, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.47°N 87.81°W
Last Update:
3:11 am CST Feb 5, 2026
Forecast Valid:
7am CST Feb 5, 2026-6pm CST Feb 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation