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

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Overcast

19°F

-7°C

Humidity 71%
Wind Speed NW 7 mph
Barometer 30.40 in (1031.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 4 Feb 8:51 am CST
Extended Forecast for

2 Miles NNW Winthrop Harbor IL

  • Today

    Today: A chance of flurries before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 27. Northwest wind around 5 mph.

    High: 27 °F

    Chance
    Flurries

  • Tonight

    Tonight: Increasing clouds, with a low around 12. West wind around 5 mph.

    Low: 12 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of snow between 9am and 3pm. Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 31 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow between midnight and 3am, then a chance of freezing rain after 3am. Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Wintry Mix

  • Friday

    Friday: A slight chance of drizzle and snow before noon. Mostly cloudy, with a high near 37. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Drizzle/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11. North wind around 10 mph.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 26. North wind around 5 mph becoming south in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20. South wind 5 to 10 mph.

    Low: 20 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Today
A chance of flurries before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 27. Northwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 12. West wind around 5 mph.
Thursday
A chance of snow between 9am and 3pm. Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow between midnight and 3am, then a chance of freezing rain after 3am. Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Friday
A slight chance of drizzle and snow before noon. Mostly cloudy, with a high near 37. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 11. North wind around 10 mph.
Saturday
Mostly sunny, with a high near 26. North wind around 5 mph becoming south in the afternoon.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20. South wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Winthrop Harbor IL
 42.52°N 87.84°W (Elev. 623 ft)
Last Update:
7:33 am CST Feb 4, 2026
Forecast Valid:
9am CST Feb 4, 2026-6pm CST Feb 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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