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

17°F

-8°C

Humidity 54%
Wind Speed NW 12 G 25 mph
Barometer 29.91 in (1014.6 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 16 Mar 10:51 pm CDT
Extended Forecast for

2 Miles NNW Winthrop Harbor IL

  • Tonight

    Tonight: A 40 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 8 °F

    Chance Snow

  • Tuesday

    Tuesday: Increasing clouds, with a high near 23. Wind chill values between -10 and zero. Northwest wind 10 to 15 mph.

    High: 23 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 1am, then snow, possibly mixed with freezing rain. Low around 20. South wind 5 to 15 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Mostly Cloudy
    then Wintry
    Mix

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 7am. Mostly cloudy, with a high near 41. South wind around 10 mph.

    High: 41 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 45. Southwest wind around 5 mph becoming northeast in the afternoon.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. North wind around 5 mph becoming southwest after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 50. Southwest wind 5 to 10 mph.

    High: 50 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly before 1am. Mostly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 23. Wind chill values between -10 and zero. Northwest wind 10 to 15 mph.
Tuesday Night
A chance of snow before 1am, then snow, possibly mixed with freezing rain. Low around 20. South wind 5 to 15 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Wednesday
A 30 percent chance of snow, mainly before 7am. Mostly cloudy, with a high near 41. South wind around 10 mph.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph.
Thursday
Partly sunny, with a high near 45. Southwest wind around 5 mph becoming northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 34. North wind around 5 mph becoming southwest after midnight.
Friday
Mostly cloudy, with a high near 50. Southwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
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:
11:32 pm CDT Mar 16, 2026
Forecast Valid:
11pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

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Chance of Precipitation