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Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

8°F

-13°C

Humidity 63%
Wind Speed W 5 mph
Barometer 30.21 in (1025.8 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 28 Jan 8:51 pm CST
Extended Forecast for

Winthrop Harbor IL

  • Tonight

    Tonight: Mostly clear, with a low around -2. Wind chill values between -5 and -15. Northwest wind 5 to 10 mph.

    Low: -2 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 15. Wind chill values between -5 and -15. Northwest wind 5 to 10 mph.

    High: 15 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers after midnight. Partly cloudy, with a low around 3. Wind chill values between -5 and -10. Northwest wind 5 to 10 mph.

    Low: 3 °F

    Mostly Clear
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Partly sunny, with a high near 18. Wind chill values between -10 and zero. Northeast wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 18 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Snow showers likely, mainly after midnight. Mostly cloudy, with a low around 8. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 8 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers likely, mainly before noon. Partly sunny, with a high near 23. North wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9. Northwest wind 5 to 10 mph.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around -2. Wind chill values between -5 and -15. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 15. Wind chill values between -5 and -15. Northwest wind 5 to 10 mph.
Thursday Night
A 30 percent chance of snow showers after midnight. Partly cloudy, with a low around 3. Wind chill values between -5 and -10. Northwest wind 5 to 10 mph.
Friday
Snow showers likely, mainly after noon. Partly sunny, with a high near 18. Wind chill values between -10 and zero. Northeast wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
Snow showers likely, mainly after midnight. Mostly cloudy, with a low around 8. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Snow showers likely, mainly before noon. Partly sunny, with a high near 23. North wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 9. Northwest wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 25. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop Harbor IL
 42.49°N 87.81°W (Elev. 600 ft)
Last Update:
8:46 pm CST Jan 28, 2026
Forecast Valid:
9pm CST Jan 28, 2026-6pm CST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation